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Kateřina Siniaková (; born 10 May 1996) is a Czech professional
tennis Tennis is a List of racket sports, racket sport that is played either individually against a single opponent (singles (tennis), singles) or between two teams of two players each (doubles (tennis), doubles). Each player uses a tennis racket st ...
player. She is the current world No. 1 in doubles. She also has a best singles
ranking A ranking is a relationship between a set of items, often recorded in a list, such that, for any two items, the first is either "ranked higher than", "ranked lower than", or "ranked equal to" the second. In mathematics, this is known as a weak ...
of No. 27 by the WTA, achieved in June 2024. Siniaková is a ten-time
major Major most commonly refers to: * Major (rank), a military rank * Academic major, an academic discipline to which an undergraduate student formally commits * People named Major, including given names, surnames, nicknames * Major and minor in musi ...
champion in women's doubles. She won seven of her major titles in her longtime partnership with compatriot
Barbora Krejčíková Barbora Krejčíková (; born 18 December 1995) is a Czech professional tennis player. She has been WTA rankings, ranked as high as world No. 2 in singles and List of WTA number 1 ranked doubles tennis players, world No. 1 in doubles by the Wome ...
, with whom she completed the career Super Slam. She has won three other women's doubles majors, partnering Coco Gauff and Taylor Townsend. Siniaková became world No. 1 for the first time in October 2018 and has held the top ranking in doubles for a total of 153 weeks, the fourth-longest total since the beginning of the WTA rankings. Siniaková has won 30 doubles titles on the
WTA Tour The WTA Tour (also known as the Hologic WTA Tour for sponsorship reasons) is a worldwide top-tier tennis tour for women and organized by the Women's Tennis Association. The second-tier tour is the WTA 125 series, and third-tier is the ITF Wome ...
, including the 2021 WTA Finals and five WTA 1000 events. In singles, Siniaková has won five career titles. Her best singles major result was at the
2019 French Open The 2019 French Open was a Grand Slam (tennis), major tennis tournament played on outdoor clay courts. It was held at the Stade Roland Garros in Paris, France, from 26 May to 9 June, comprising singles, doubles and mixed doubles play. Junior and ...
, upsetting world No. 1
Naomi Osaka is a Japanese professional tennis player. She has been ranked as the List of WTA number 1 ranked singles tennis players, world No. 1 in women's singles by the Women's Tennis Association, WTA for 25 weeks, the first Asian player to hold the ...
en route to the fourth round; she has reached the third round at seven other major tournaments. Siniaková was part of the Czech team that won the 2018 Fed Cup, and has won two Olympic gold medals: in women's doubles at the 2020 Tokyo Olympics with Krejčíková, and in mixed doubles at the
2024 Paris Olympics The 2024 Summer Olympics (), officially the Games of the XXXIII Olympiad () and branded as Paris 2024, were an international multi-sport event held in France from 26 July to 11 August 2024, with several events started from 24 July. P ...
with Tomáš Macháč.


Personal life and background

Siniaková was born to a Czech mother Hana, an accountant, and Russian father Dmitry Siniakov, a former boxer and her coach. Her younger brother Daniel (born 2003) is also a professional tennis player. Since the
COVID-19 Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. In January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic. The symptoms of COVID‑19 can vary but often include fever ...
quarantine at the
2021 Australian Open The 2021 Australian Open was a Grand Slam tennis tournament that took place at Melbourne Park, on 8–21 February 2021. It was the 109th edition of the Australian Open, the 53rd in the Open Era, and the first Major tournament of the year. It w ...
, Siniaková has been dating fellow Czech tennis player Tomáš Macháč. In July 2024, Siniaková confirmed they broke up.


Career


Junior years

She was ranked the world No. 2 junior tennis player in December 2012. With fellow Czech
Barbora Krejčíková Barbora Krejčíková (; born 18 December 1995) is a Czech professional tennis player. She has been WTA rankings, ranked as high as world No. 2 in singles and List of WTA number 1 ranked doubles tennis players, world No. 1 in doubles by the Wome ...
, she won the girls' doubles titles at the
French Open The French Open (), also known as Roland-Garros (), is a tennis tournament organized by the French Tennis Federation annually at Stade Roland Garros in Paris, France. It is chronologically the second of the four Grand Slam (tennis), Grand Slam ...
, at
Wimbledon Wimbledon most often refers to: * Wimbledon, London, a district of southwest London * Wimbledon Championships, the oldest tennis tournament in the world and one of the four Grand Slam championships Wimbledon may also refer to: Places London * W ...
and the US Open in 2013.


2012–14: First WTA Tour doubles title

She began playing on the
ITF Women's Circuit The ITF Women's World Tennis Tour, previously known as the ITF Women's Circuit, is a series of professional tennis tournaments run by the International Tennis Federation for female professional tennis players. History It serves as a developmenta ...
in the Czech Republic in June 2012. There in a doubles competition, she won her first ITF title. She then made big progress in 2013. She started outside top 1000 in both singles and doubles, but finished year inside top 200 in singles and top 300 in doubles. In March 2013, she won her first ITF singles title at the $10k Frauenfeld, defeating Kathinka von Deichmann in the three sets. Two weeks later, Siniaková made her debut on the
WTA Tour The WTA Tour (also known as the Hologic WTA Tour for sponsorship reasons) is a worldwide top-tier tennis tour for women and organized by the Women's Tennis Association. The second-tier tour is the WTA 125 series, and third-tier is the ITF Wome ...
in the qualifying draw of Miami Open. She passed qualifying defeating
Mandy Minella Mandy Minella (born 22 November 1985) is a Luxembourgish politician and former professional tennis player. Having made her debut on the WTA Tour in 2001, she peaked at No. 66 in the WTA singles rankings in September 2012, and No. 47 in doubles ...
and Alexa Glatch, but then lost a three-set encounter with
Garbiñe Muguruza Garbiñe Muguruza Blanco (; born 8 October 1993) is a Venezuelan-born Spanish former professional tennis player. She was ranked as the List of WTA number 1 ranked singles tennis players, world No. 1 in women's singles by the Women's Tennis Asso ...
in the first round of the main draw. In November 2013, she reached her first major ITF final at the $75k Sharm El Sheikh event in doubles, but lost alongside Anna Morgina. At the
2014 Australian Open The 2014 Australian Open was a tennis tournament that took place at Melbourne Park between 13 and 26 January 2014. It was the 102nd edition of the Australian Open, and the first Grand Slam tournament of the year. The tournament consisted of eve ...
, she made her
major Major most commonly refers to: * Major (rank), a military rank * Academic major, an academic discipline to which an undergraduate student formally commits * People named Major, including given names, surnames, nicknames * Major and minor in musi ...
debut, after passing qualifying but then lost to
Zarina Diyas Zarina Diyas (; ; born 18 October 1993) is a Kazakh professional tennis player. She has been WTA rankings, ranked as high as No. 31 by the Women's Tennis Association, WTA. Diyas has won one singles title on the WTA Tour, at the 2017 Japan Women' ...
in the first round of the main draw. In July 2014, she won her first match on WTA Tour at the İstanbul Cup defeating Julia Glushko in the first round. Nearly after that, she reached her first WTA doubles final at the Silicon Valley Classic alongside Paula Kania, but they lost to Garbiñe Muguruza and
Carla Suárez Navarro Carla Suárez Navarro (; born 3 September 1988) is a Spanish former professional tennis player. A former top 10 singles player, she reached a career-high singles ranking of world No. 6 on 29 February 2016, and a best WTA doubles ranking of 11, o ...
. She then went one step further, winning her first WTA doubles title at the
Tashkent Open The Tashkent Open by Zeromax was a women's tennis tournament held in Tashkent, Uzbekistan , image_flag = Flag of Uzbekistan.svg , image_coat = Emblem of Uzbekistan.svg , symbol_type = Emblem of Uzbekistan, ...
, partnering
Aleksandra Krunić Aleksandra Krunić ( sr-Cyrl, Александра Крунић; born 15 March 1993) is a Serbian professional tennis player. She is a Grand Slam doubles finalist at the 2025 French Open, partnering Anna Danilina. In June 2018, she reached her b ...
. Right after that she made her top 100 debut in doubles. In October 2014, she reached singles semifinals of the
Premier Premier is a title for the head of government in central governments, state governments and local governments of some countries. A second in command to a premier is designated as a deputy premier. A premier will normally be a head of govern ...
-level
Kremlin Cup The Kremlin Cup () is a professional tennis tournament played on indoor hard courts, which was suspended in 2022. It was part of the ATP Tour 250 series of the ATP Tour and was a Premier Tournament on the WTA Tour. It was held annually at the ...
but lost her match against
Anastasia Pavlyuchenkova Anastasia Sergeyevna "Nastia" Pavlyuchenkova (; born 3 July 1991) is a Russian professional tennis player. She reached a career-high singles WTA rankings, ranking of world No. 11 on 8 November 2021. Pavlyuchenkova has won twelve singles titles ...
. This brought her into the top 100 in singles, and a week later, she won the title at the $50k Open Nantes Atlantique defeating
Ons Jabeur Ons Jabeur (born 28 August 1994) is a Tunisian professional tennis player. She has a career-high singles ranking by the WTA of No. 2, achieved on 27 June 2022, making her the highest-ranked African and Arab tennis player in WTA and ATP ranking ...
. She finished year with another title at the Open de Limoges, alongside Renata Voráčová.


2015–16: Singles and doubles top 50

At the
Australian Open The Australian Open (stylized ΛO) is a tennis tournament organised by Tennis Australia annually at Melbourne Park in Melbourne, Victoria (state), Victoria, Australia. It is chronologically the first of the four Grand Slam (tennis), Grand Sl ...
, Siniaková had her first singles Grand Slam win, defeating
Elena Vesnina Elena Sergeyevna Vesnina (born 1 August 1986) is a Russian former professional tennis player who was List of WTA number 1 ranked doubles tennis players, world No. 1 in doubles. Vesnina is a four-time Grand Slam (tennis), Grand Slam champion, h ...
in the first round. In the following round, she lost to
Irina-Camelia Begu Irina-Camelia Begu (born 26 August 1990) is a Romanian tennis player. She reached a career-high WTA ranking, WTA singles ranking of world No. 22 , in August 2016. Two years later, she reached her highest ranking in doubles, also No. 22. She is ...
. In March 2015, she won her first WTA 1000 match at the Premier Mandatory-level Indian Wells Open, defeating another Russian player, Evgeniya Rodina. In May 2015, she had good performances, reaching the singles semifinal and taking the doubles title with
Belinda Bencic Belinda Bencic (; born 10 March 1997) is a Swiss professional tennis player. She has a career-high WTA rankings, ranking of world No. 4 which she achieved in February 2020. Bencic has won nine career singles titles, including Tennis at the 2020 ...
at the
Prague Open In tennis, Prague Open may refer to: * Prague Open (1987–1999) * 1992 HTC Prague Open, HTC Prague Open, held only in 1992 * BVV Prague Open (1993–1994) * I.ČLTK Prague Open, Advantage Cars Prague Open * WTA Prague Open, Livesport Prague Open * ...
. However, after a run to the third-round at the
French Open The French Open (), also known as Roland-Garros (), is a tennis tournament organized by the French Tennis Federation annually at Stade Roland Garros in Paris, France. It is chronologically the second of the four Grand Slam (tennis), Grand Slam ...
alongside Bencic, she reached top 50. In June 2015, she reached the quarterfinal of the Premier-level Birmingham Classic. By the end of the year, she was standing out more in doubles, reaching final of the
Tashkent Open The Tashkent Open by Zeromax was a women's tennis tournament held in Tashkent, Uzbekistan , image_flag = Flag of Uzbekistan.svg , image_coat = Emblem of Uzbekistan.svg , symbol_type = Emblem of Uzbekistan, ...
and semifinal of the Premier-level
Kremlin Cup The Kremlin Cup () is a professional tennis tournament played on indoor hard courts, which was suspended in 2022. It was part of the ATP Tour 250 series of the ATP Tour and was a Premier Tournament on the WTA Tour. It was held annually at the ...
. Siniaková started slowly into the 2016 season, but then shone at the
French Open The French Open (), also known as Roland-Garros (), is a tennis tournament organized by the French Tennis Federation annually at Stade Roland Garros in Paris, France. It is chronologically the second of the four Grand Slam (tennis), Grand Slam ...
, where she reached semifinals in doubles alongside
Barbora Krejčíková Barbora Krejčíková (; born 18 December 1995) is a Czech professional tennis player. She has been WTA rankings, ranked as high as world No. 2 in singles and List of WTA number 1 ranked doubles tennis players, world No. 1 in doubles by the Wome ...
. Then, at 2016 Wimbledon, she reached her first singles Grand Slam third round, after defeating
Pauline Parmentier Pauline Parmentier (; born 31 January 1986) is a French former tennis player. Her career-high WTA singles ranking is 40, which she attained on 21 July 2008. On 30 April 2012, she peaked at No. 89 on the WTA doubles rankings. She won four singl ...
and 30th seed
Caroline Garcia Caroline Garcia (, born 16 October 1993) is a French professional tennis player. She had a career-high WTA rankings, ranking of world No. 4 in singles and world No. 2 in doubles. Garcia was the 2022 WTA Finals – Singles, 2022 WTA Finals champi ...
before being defeated by former world No. 2,
Agnieszka Radwańska Agnieszka Roma Radwańska (; born 6 March 1989) is a Polish former professional tennis player and current coach. She was ranked world No. 2 in women's singles by the Women's Tennis Association (WTA), in July 2012. Radwańska won 20 WTA Tour sing ...
. Things even got better in July 2016, when she reached her first singles WTA final in Båstad, at the
Swedish Open The Swedish Open is a professional tennis tournament held in Båstad, Sweden. It is played on outdoor clay courts in July. The men's event (sponsored by Skistar) is an ATP Tour 250 tournament on the ATP Tour. The women's event (sponsored by ...
. She lost the final to
Laura Siegemund Laura Natalie Siegemund (born 4 March 1988) is a German professional tennis player. Siegemund reached her career-high doubles ranking of world No. 4 on 29 January 2024 and has won fourteen doubles titles on the WTA Tour. She is a three-time Gran ...
. But then she advanced to the doubles quarterfinals of the US Open, alongside Krejčíková. She followed this up with another singles WTA final at the Japan Women's Open in Tokyo, but lost to
Christina McHale Christina Maria McHale (born May 11, 1992) is an American professional tennis player. Her career-high WTA rankings are world No. 24 in singles and No. 35 in doubles. Known for an aggressive baseline game, McHale was recognized by ''The New Yor ...
. In late October, after a first-round loss at the
Kremlin Cup The Kremlin Cup () is a professional tennis tournament played on indoor hard courts, which was suspended in 2022. It was part of the ATP Tour 250 series of the ATP Tour and was a Premier Tournament on the WTA Tour. It was held annually at the ...
, she made her top-50 debut in singles.


2017: Career singles titles, US Open doubles final

Siniaková had a strong start to the 2017 season, winning her first WTA singles title at the Shenzhen Open. Siniaková began the tournament by defeating
Peng Shuai Peng Shuai (; ; born 8 January 1986) is a Chinese former professional tennis player. In February 2014, she was ranked as the List of WTA number 1 ranked doubles tennis players, world No. 1 doubles player by the Women's Tennis Association (WTA ...
in the first round in two sets, followed by a victory over world No. 4,
Simona Halep Simona Halep (; born 27 September 1991) is a Romanian former professional tennis player. She was ranked as the List of WTA number 1 ranked singles tennis players, world No. 1 in women's singles by the Women's Tennis Association (WTA) for 64 w ...
in three sets, claiming her first win over a top-10 player. Her run continued by beating qualifier Nina Stojanović and world No. 9,
Johanna Konta Johanna Konta (born 17 May 1991) is a British-Australian former professional tennis player. Konta won four singles titles on the WTA Tour, along with eleven titles in singles and four in doubles on the ITF Women's Circuit. She was British No. ...
, in three sets. In the final, she defeated
Alison Riske Alison Riske-Amritraj (née Riske; born July 3, 1990) is an inactive American tennis player. She reached her career-high singles ranking of world No. 18 in November 2019 and won her first WTA Tour title in October 2014, at the Tianjin Open. S ...
to take the title. She then struggled with results, not even reaching a quarterfinal until May 2017. However, during that period, she had success in doubles where she reached the final of Indian Wells and the Premier-level
Charleston Open The Charleston Open, currently sponsored by Credit One, is a WTA Tour-affiliated professional tennis tournament for women, held every year since 1973. It is the oldest professional all-women's tournament in America with a $1,064,510 purse. The t ...
alongside
Lucie Hradecká Lucie Hradecká (; born 21 May 1985) is a Czech former professional tennis player. A three-time Grand Slam doubles champion and 26-time WTA Tour doubles titlist, she reached her career-high doubles ranking of world No. 4 in October 2012. She w ...
. Then in May 2017, she reached the quarterfinal of the
Prague Open In tennis, Prague Open may refer to: * Prague Open (1987–1999) * 1992 HTC Prague Open, HTC Prague Open, held only in 1992 * BVV Prague Open (1993–1994) * I.ČLTK Prague Open, Advantage Cars Prague Open * WTA Prague Open, Livesport Prague Open * ...
in singles, as well as the final in doubles. She continued this form, with good results in doubles, reaching the quarterfinals of the Premier Mandatory Madrid Open and Premier 5 Italian Open with Hradecka. She then reached the doubles semifinal of the
French Open The French Open (), also known as Roland-Garros (), is a tennis tournament organized by the French Tennis Federation annually at Stade Roland Garros in Paris, France. It is chronologically the second of the four Grand Slam (tennis), Grand Slam ...
for the second year in a row, alongside Lucie Hradecká. However, in singles, things still were not good until
Swedish Open The Swedish Open is a professional tennis tournament held in Båstad, Sweden. It is played on outdoor clay courts in July. The men's event (sponsored by Skistar) is an ATP Tour 250 tournament on the ATP Tour. The women's event (sponsored by ...
, where she reached her second final. A losing finalist in 2016, this time she succeeded in winning the title, after she defeated world No. 6,
Caroline Wozniacki Caroline Wozniacki (; born 11 July 1990) is an inactive Danish professional tennis player. She has been ranked as the List of WTA number 1 ranked singles tennis players, world No. 1 in women's singles by the Women's Tennis Association, WTA, hold ...
, in the final. On her way to the title, she also defeated two top-20 players,
Anastasija Sevastova Anastasija Sevastova (born 13 April 1990) is a Latvian professional tennis player. She achieved a career-high singles ranking of world No. 11 in October 2018, after reaching a Premier Mandatory final at the China Open. Sevastova has won four sin ...
and Caroline Garcia. She then continued struggling with results in singles, but made did make progress in doubles. At the US Open, she reached her first major doubles final. Alongside Lucie Hradecká, she did not drop a singles set on the way to the final, but then they lost to
Latisha Chan Latisha Chan (born 17 August 1989), formerly known by her Chinese name Chan Yung-jan (; ), is a Taiwanese professional tennis player who is a former world No. 1 in doubles. She has won 33 career titles in doubles, including a Grand Slam title ...
and
Martina Hingis Martina Hingis (, ; born 30 September 1980) is a Swiss former professional tennis player. She was ranked as the world No. 1 in women's singles by the Women's Tennis Association (WTA) for 209 weeks ( fifth-most of all time) and as the world No. ...
. Later in the year, she reached the quarterfinal of the Premier-Mandatory China Open and semifinal of the Premier-level
Kremlin Cup The Kremlin Cup () is a professional tennis tournament played on indoor hard courts, which was suspended in 2022. It was part of the ATP Tour 250 series of the ATP Tour and was a Premier Tournament on the WTA Tour. It was held annually at the ...
in doubles. As a result of that, she achieved No. 11 ranking in doubles and finished year as world No. 13, while in singles she ended as world No. 49.


2018: Doubles: No. 1 and two major titles

Siniaková started year well, playing at the Shenzhen Open where she reached the finals in both singles and doubles, but lost to Simona Halep in both. Her run to the singles final included a semifinal-win over
Maria Sharapova Maria Yuryevna Sharapova (, ; born 19 April 1987) is a Russian former professional tennis player. She was ranked as the world No. 1 in women's singles by the Women's Tennis Association (WTA) for 21 weeks. Sharapova won 36 WTA Tour-level sin ...
. She played in the doubles final alongside Krejčíková, but they lost to Halep and
Irina-Camelia Begu Irina-Camelia Begu (born 26 August 1990) is a Romanian tennis player. She reached a career-high WTA ranking, WTA singles ranking of world No. 22 , in August 2016. Two years later, she reached her highest ranking in doubles, also No. 22. She is ...
. She then lost to Elina Svitolina in the first-round match at the
Australian Open The Australian Open (stylized ΛO) is a tennis tournament organised by Tennis Australia annually at Melbourne Park in Melbourne, Victoria (state), Victoria, Australia. It is chronologically the first of the four Grand Slam (tennis), Grand Sl ...
, and in doubles reached the third round with Krejčíková. Siniaková then reached the quarterfinals in singles at the Premier-level St. Petersburg Ladies' Trophy, and then in May, she reached the quarterfinal of the
Prague Open In tennis, Prague Open may refer to: * Prague Open (1987–1999) * 1992 HTC Prague Open, HTC Prague Open, held only in 1992 * BVV Prague Open (1993–1994) * I.ČLTK Prague Open, Advantage Cars Prague Open * WTA Prague Open, Livesport Prague Open * ...
and the semifinal of the Nuremberg Cup. During that period, things got better in doubles where she first reached the semifinals of the Premier 5 Qatar Ladies Open and then the final of the Premier Mandatory Miami Open. In the summer, she had her biggest success in doubles. Alongside Krejčíková, she won two major titles at the
French Open The French Open (), also known as Roland-Garros (), is a tennis tournament organized by the French Tennis Federation annually at Stade Roland Garros in Paris, France. It is chronologically the second of the four Grand Slam (tennis), Grand Slam ...
and
Wimbledon Wimbledon most often refers to: * Wimbledon, London, a district of southwest London * Wimbledon Championships, the oldest tennis tournament in the world and one of the four Grand Slam championships Wimbledon may also refer to: Places London * W ...
. At the US Open, Siniaková reached the third round in singles, and made the semifinals in doubles, alongside Krejčíková. During the Asian hardcourt tour, Siniaková alsö improved her singles results. First, she reached the quarterfinal of the Premier 5
Wuhan Open The Wuhan Open (currently sponsored by Dongfeng Voyah) is a WTA 1000 tennis tournament held in Wuhan, Hubei Province, China and organized for female professional tennis players. It is one of the WTA 1000 tournaments on the WTA Tour and made its ...
, where she also defeated world No. 4 Caroline Garcia and former No. 1, Garbiñe Muguruza. She followed this up with another quarterfinal, but this time at the Premier Mandatory China Open where she defeated world No. 11,
Kiki Bertens Kiki Bertens (; born 10 December 1991) is a Dutch former professional tennis player. Her career-high WTA rankings#Current rankings, singles ranking was world No. 4, which she reached on 13 May 2019, becoming the highest-ranked Dutch female playe ...
, but later lost to world No. 2, Caroline Wozniacki. She reached the final of the Tour Championships in doubles, alongside Krejčíková, but they lost to
Tímea Babos Tímea Babos (; born 10 May 1993) is a Hungarian professional tennis player who is a former List of WTA number 1 ranked doubles tennis players, world No. 1 in doubles. She has won three WTA Tour titles in singles and 27 in doubles. Babos is a f ...
and
Kristina Mladenovic Kristina "Kiki" Mladenovic (born 14 May 1993) is a French professional tennis player and a former List of WTA number 1 ranked doubles tennis players, world No. 1 in doubles. Her best singles ranking is world No. 10. She is a nine-time Grand Slam ...
. On 22 October 2018, Siniaková became world No. 1 in doubles, along with Krejčíková. She finished the year with the same positions, in singles and in doubles. In November, Siniaková won two matches, including the decisive third, as the Czech Republic defeated the USA 3–0 to win the
Fed Cup The Billie Jean King Cup (or the BJK Cup) is the premier international team competition in women's tennis, launched as the Federation Cup in 1963 to celebrate the 50th anniversary of the International Tennis Federation (ITF). The name was cha ...
final.


2019–20: Success in doubles

During the first four months of 2019, Siniaková did not have any significant results in singles, but was more successful in doubles. She started year with the semifinal of the Premier-level
Brisbane International The Brisbane International established in 2009 is a professional tennis tournament played on Tennis court#Hard courts, outdoor hardcourts in Brisbane, Queensland in Australia. It is a WTA 500 tournaments, WTA 500 tournament and an ATP World T ...
, followed with title at another Premier-level tournament,
Sydney International The Sydney International (formerly known as the Championship of New South Wales and New South Wales Open, with various title sponsors), formerly sponsored as the Apia International Sydney from 2012 to 2017, was a professional tennis tournament ...
with Krejčíková. Then, at the
Australian Open The Australian Open (stylized ΛO) is a tennis tournament organised by Tennis Australia annually at Melbourne Park in Melbourne, Victoria (state), Victoria, Australia. It is chronologically the first of the four Grand Slam (tennis), Grand Sl ...
, alongside Krejčíková, she reached the quarterfinal and completed reaching the quarterfinals at all four Grand Slam tournaments. She did not stop there, reaching quarterfinal of the Premier 5 Dubai Championships and soon after that the final of the Premier Mandatory Indian Wells Open. Then, on clay court, she started with better results in singles, first reaching quarterfinal of the
Prague Open In tennis, Prague Open may refer to: * Prague Open (1987–1999) * 1992 HTC Prague Open, HTC Prague Open, held only in 1992 * BVV Prague Open (1993–1994) * I.ČLTK Prague Open, Advantage Cars Prague Open * WTA Prague Open, Livesport Prague Open * ...
, followed by semifinal at
Nuremberg Nuremberg (, ; ; in the local East Franconian dialect: ''Nämberch'' ) is the Franconia#Towns and cities, largest city in Franconia, the List of cities in Bavaria by population, second-largest city in the States of Germany, German state of Bav ...
. She lost early in singles, at the Madrid Open and at the Italian Open, but she reached the doubles quarterfinals in Madrid and the doubles semifinals in Rome. Siniaková then made progress at the
French Open The French Open (), also known as Roland-Garros (), is a tennis tournament organized by the French Tennis Federation annually at Stade Roland Garros in Paris, France. It is chronologically the second of the four Grand Slam (tennis), Grand Slam ...
, by defeating world No. 1,
Naomi Osaka is a Japanese professional tennis player. She has been ranked as the List of WTA number 1 ranked singles tennis players, world No. 1 in women's singles by the Women's Tennis Association, WTA for 25 weeks, the first Asian player to hold the ...
.in order to reach her first Grand Slam singles round of 16. She then lost to
Madison Keys Madison Keys (born February 17, 1995) is an American professional tennis player. She has been WTA rankings, ranked as high as world No. 5 in women's singles by the Women's Tennis Association, WTA. Keys has won ten WTA Tour-level career singles ...
in the quarterfinal-match. The following month, she continued to struggle with results in singles, but reached the semifinal of
Wimbledon Wimbledon most often refers to: * Wimbledon, London, a district of southwest London * Wimbledon Championships, the oldest tennis tournament in the world and one of the four Grand Slam championships Wimbledon may also refer to: Places London * W ...
in doubles with Krejčíková. In late August, she reached another WTA Tour singles semifinal at the Bronx Open. However, by the end of the year, she continued to struggle in singles, but in doubles she and Krejčíková won the Canadian Open and Linz Open. At the WTA Finals, alongside Krejčíková, she exited in the round-robin stage, after winning one match and losing two others. She finished year as world No. 58 in singles and No. 7 in doubles, after spending the whole year inside the top 60 in singles and top 10 in doubles. During the 2020 season, Siniaková continued to struggle with results in singles. Her first stand out result was when she defeated former world No. 1,
Angelique Kerber Angelique Kerber (; born 18 January 1988) is a German former professional tennis player. She was ranked as the List of WTA number 1 ranked singles tennis players, world No. 1 in women's singles by the Women's Tennis Association (WTA) for 34 wee ...
, in the first round of the Premier 5 Italian Open, in straight sets. In the following round, she lost to
Daria Kasatkina Daria Sergeyevna Kasatkina (born 7 May 1997) is a Russian-born Australian professional tennis player. She has been ranked as high as world No. 8 in women's singles by the Women's Tennis Association, WTA, achieved in October 2022. Kasatkina ha ...
. After that, she reached the quarterfinal of the
Internationaux de Strasbourg The Internationaux de Strasbourg (formally known as the Strasbourg Grand Prix) is a professional women's tennis tournament held in Strasbourg, France. The tournament has been organized in May since its inception in 1987 and serves as a warm-up eve ...
and then the third round of the
French Open The French Open (), also known as Roland-Garros (), is a tennis tournament organized by the French Tennis Federation annually at Stade Roland Garros in Paris, France. It is chronologically the second of the four Grand Slam (tennis), Grand Slam ...
. In doubles, she had strong start, winning the title at the Shenzhen Open in the opening week. She followed this with a strong performance at the
Australian Open The Australian Open (stylized ΛO) is a tennis tournament organised by Tennis Australia annually at Melbourne Park in Melbourne, Victoria (state), Victoria, Australia. It is chronologically the first of the four Grand Slam (tennis), Grand Sl ...
, where alongside Krejčíková, she reached the semifinals. With this result, she completed the achievement of reaching the quarter finals all four Grand Slam tournaments. Siniaková then reached the semifinal of the Premier 5 Qatar Ladies Open. Then, after six months absence of the WTA Tour due to COVID-19 outbreak, Siniaková started slow with the semifinal of the
Prague Open In tennis, Prague Open may refer to: * Prague Open (1987–1999) * 1992 HTC Prague Open, HTC Prague Open, held only in 1992 * BVV Prague Open (1993–1994) * I.ČLTK Prague Open, Advantage Cars Prague Open * WTA Prague Open, Livesport Prague Open * ...
, first round of Cincinnati Open, second round at the US Open, but then reached the quarterfinals of the Italian Open and semifinals of the French Open. The end of the year saw her reach the doubles final of the Linz Open, alongside Lucie Hradecká. Siniaková spent the whole year inside top 70 in singles, while in doubles inside top 10. She finished the season as the world No. 64 in singles, and No. 8 in doubles.


2021: Doubles: French Open title and No. 1

There was a positive start to 2021, when Siniaková and Krejčíková reached the doubles final at the
Australian Open The Australian Open (stylized ΛO) is a tennis tournament organised by Tennis Australia annually at Melbourne Park in Melbourne, Victoria (state), Victoria, Australia. It is chronologically the first of the four Grand Slam (tennis), Grand Sl ...
, before losing to
Elise Mertens Elise Mertens (; born 17 November 1995) is a Belgian professional tennis player. She became List of WTA number 1 ranked doubles tennis players, world No. 1 in doubles on 10 May 2021, the third Belgian to hold the top ranking in either singles or ...
and
Aryna Sabalenka Aryna Siarhiejeŭna Sabalenka (born 5 May 1998) is a Belarusian professional tennis player. She is currently ranked as the world No. 1 in women's singles by the Women's Tennis Association (WTA), and is a former world No. 1 in women's doubles. ...
. At the
French Open The French Open (), also known as Roland-Garros (), is a tennis tournament organized by the French Tennis Federation annually at Stade Roland Garros in Paris, France. It is chronologically the second of the four Grand Slam (tennis), Grand Slam ...
in doubles, Siniaková and Krejčíková defeated the Plíšková twins in an all Czech quarterfinals and
Bernarda Pera Bernarda Pera ( ; ; born 3 December 1994) is a Croatian-American professional tennis player. Pera has won two singles titles and one doubles title on the WTA Tour, along with nine singles and eight doubles titles on the ITF Circuit. She achieved ...
& Magda Linette in the semifinals to reach their second French Open final. They then beat Bethanie Mattek-Sands and
Iga Świątek Iga Natalia Świątek (; born 31 May 2001) is a Polish professional tennis player. She has been ranked as the List of WTA number 1 ranked singles tennis players, world No. 1 in women’s singles by the Women's Tennis Association, Women’s Tenn ...
in straight sets to claim their second title at Roland Garros, while Siniakova's partner Barbora Krejčíková won her maiden Grand Slam singles title at the same event. As a result, Krejčíková and Siniaková reclaimed the No. 1 and No. 2 spots in the doubles rankings, respectively. At the delayed Tokyo Olympics, Siniaková and Krejčíková won gold in women's doubles, defeating the Swiss pair of
Belinda Bencic Belinda Bencic (; born 10 March 1997) is a Swiss professional tennis player. She has a career-high WTA rankings, ranking of world No. 4 which she achieved in February 2020. Bencic has won nine career singles titles, including Tennis at the 2020 ...
and
Viktorija Golubic Viktorija Golubic (; ; born 16 October 1992) is a Swiss professional tennis player. On 28 February 2022, she reached her career-high singles WTA ranking of No. 35. On 17 April 2023, she peaked at No. 61 in the doubles rankings. She is the curre ...
in the final. They ended the season by winning the WTA Finals doubles title in Guadalajara, going through the tournament unbeaten. Consequently, Siniaková rose to the top of the rankings and ended the year as the world No. 1 doubles player. In singles, Siniaková reached her first WTA Tour singles final in several years at the Bad Homburg Open which she lost to Angelique Kerber. On home soil, she reached the quarterfinals of the Prague Open in July, being beaten heavily by her doubles partner Krejčíková who would go in to take the title. In October, Siniaková defeated returning former No. 1, Kim Clijsters, at the Indian Wells Open. She ended the year ranked No. 49 in singles.


2022: Doubles: Career Golden Slam, world No. 1

Siniaková began the 2022 season by winning the doubles title at the Melbourne Summer Set 2 with
Bernarda Pera Bernarda Pera ( ; ; born 3 December 1994) is a Croatian-American professional tennis player. Pera has won two singles titles and one doubles title on the WTA Tour, along with nine singles and eight doubles titles on the ITF Circuit. She achieved ...
. As the top seed at the
Australian Open The Australian Open (stylized ΛO) is a tennis tournament organised by Tennis Australia annually at Melbourne Park in Melbourne, Victoria (state), Victoria, Australia. It is chronologically the first of the four Grand Slam (tennis), Grand Sl ...
, Siniaková reached the doubles final with Krejčíková, in which they defeated
Anna Danilina Anna Sergeyevna Danilina (; born 20 August 1995) is a Russian-born Kazakhstani tennis player. She has been ranked as high as No. 9 in doubles by the WTA. She is a Grand Slam mixed-doubles champion, having won the 2023 US Open with Harri Heliö ...
and Beatriz Haddad Maia to claim their first Australian Open women's doubles title. Siniaková's season in doubles was affected by an elbow injury to Krejčíková in Doha in February that meant they did not play together again until Wimbledon. Siniaková herself was affected by an abdominal injury that forced her to withdraw in matches in Miami and Madrid. However, she won the doubles title at the German Open with Storm Sanders in June. The Czech duo was forced to withdraw from the
French Open The French Open (), also known as Roland-Garros (), is a tennis tournament organized by the French Tennis Federation annually at Stade Roland Garros in Paris, France. It is chronologically the second of the four Grand Slam (tennis), Grand Slam ...
draw as well, after Krejčíková tested positive for COVID-19. At
Wimbledon Wimbledon most often refers to: * Wimbledon, London, a district of southwest London * Wimbledon Championships, the oldest tennis tournament in the world and one of the four Grand Slam championships Wimbledon may also refer to: Places London * W ...
, she lost in the first round in singles to first-time qualifier Maja Chwalińska in straight sets. At the same tournament in doubles, she reached the final with Krejčíková and won the title for a second time at this major defeating top seeds Elise Mertens and
Zhang Shuai Zhang Shuai ( zh , s = 张帅 , p = Zhāng Shuài ; ; born 21 January 1989) is a Chinese professional tennis player. She has a career-high doubles WTA rankings, ranking of world No. 2, achieved in July 2022 and a singles ranking of No. 22 re ...
, in straight sets. After poor results in singles, Siniaková dropped down to play an ITF tournament in Poland in August, which she won beating Magda Linette. At the US Open, she won the doubles title with Krejčíková completing the career Golden Slam. Siniaková followed up this success in doubles a week later, with her third singles title at the Portorož Open in Slovenia, defeating 2022 Wimbledon champion
Elena Rybakina Elena Andreyevna Rybakina (born 17 June 1999) is a Russian-born Kazakhstani professional tennis player. She has been WTA rankings, ranked world No. 3 in women's singles by the Women's Tennis Association, WTA, making her the first Kazakhstani ...
in the final, in three sets. Siniaková then teamed up with Kristina Mladenovic to win the doubles title at the Jasmin Open. She had another good win in singles to beat top-20 player Haddad Maia in the first round of the last WTA 1000 of the year at the Guadalajara Open and made the semifinals in doubles alongside Krejčíková. The pair then played the WTA Finals in Fort Worth, Texas. They went undefeated in the round robin stage but were defeated in the final by
Veronika Kudermetova Veronika Eduardovna Kudermetova (born 24 April 1997) is a Russian professional tennis player. She has a career-high singles ranking of world No. 9, achieved on 24 October 2022, and a best WTA doubles ranking of No. 2, reached on 6 June 2022. In ...
and Elise Mertens.


2023: Doubles: Australian Open win. Singles: two titles

Siniaková began season at the 2023 Adelaide International 1 where she failed to qualify in singles, but teamed up with Storm Hunter to reach the final in which they were defeated by Taylor Townsend and Asia Muhammed. At the
Australian Open The Australian Open (stylized ΛO) is a tennis tournament organised by Tennis Australia annually at Melbourne Park in Melbourne, Victoria (state), Victoria, Australia. It is chronologically the first of the four Grand Slam (tennis), Grand Sl ...
, she reunited with Krejčíková in the women's doubles, where they won their 24th consecutive major match, and their seventh doubles major title and for the first time, defended a major title. With this win, Siniaková retained the world No. 1 doubles ranking. She and Krejčíková won the Indian Wells Open doubles title. She reached her first singles final of the season at the Bad Homburg Open and second at this tournament, defeating second seed
Liudmila Samsonova Liudmila Dmitrievna Samsonova ( rus, Людмила Дмитриевна Самсонова, , lʲʊdˈmʲiɫə sɐmˈsonəvə; born 11 November 1998) is a Russian professional tennis player. She has career-high WTA rankings of No. 12 in singles ...
and
Emma Navarro Emma Navarro (born May 18, 2001) is an American professional tennis player. She has a career-high singles ranking of world No. 8 by the WTA, achieved on September 9, 2024 and a best doubles ranking of No. 93, set in 2024. Navarro has won two sin ...
in the same day. Finally, she won her fourth singles title by defeating Lucia Bronzetti in two sets. Siniaková won her 23rd career doubles title alongside Krejčíková at the 2023 San Diego Open. She defeated compatriot Marie Bouzková to win her fifth WTA Tour singles title and second of the year at the Jiangxi Open. In November, it was announced that Siniaková and Krejčíková would no longer play doubles together, a change initiated by Siniaková. She ended the year ranked No. 45 in singles and No. 10 in doubles – her lowest year-end doubles ranking since 2017.


2024: Doubles: Two major titles & No. 1. Mixed: Olympic gold

At the Qatar Open, she defeated
Donna Vekić Donna Vekić (; born 28 June 1996) is a Croatian professional tennis player. She achieved a career-high singles WTA rankings, ranking of world No. 17 on 27 January 2025. Her best performance at a Grand Slam (tennis)#Tournaments, major is reachin ...
and second seed Coco Gauff to reach the round of 16, where her run was ended by qualifier
Danielle Collins Danielle Rose Collins (born December 13, 1993) is an American professional tennis player. She has reached career-high WTA rankings of world No. 7 in singles and No. 79 in doubles. Collins has won four singles titles, including a WTA 1000 titl ...
. In doubles, at the next WTA 1000, the Dubai Championships, she won her fourth WTA 1000 title with new partner Storm Hunter. In Indian Wells, she reached the final with Hunter but they lost to top-seeded pair Hsieh/Mertens. At the
French Open The French Open (), also known as Roland-Garros (), is a tennis tournament organized by the French Tennis Federation annually at Stade Roland Garros in Paris, France. It is chronologically the second of the four Grand Slam (tennis), Grand Slam ...
, with new partner Coco Gauff, she lifted her third trophy at Roland Garros defeating 11th seeds Sara Errani and Jasmine Paolini in the final. At the same tournament in singles, she reached the second round with a win over lucky loser Dalma Galfi, before losing to wildcard Chloe Paquet in a deciding set tie-break. Ranked at a career-high of No. 30 in singles, Siniaková reached her first quarterfinal for the season as a qualifier at the 2024 Berlin Ladies Open defeating Emma Navarro and sixth seed
Zheng Qinwen Zheng Qinwen ( zh, , p=Zhèng Qīnwén, s=郑钦文; IPA: ; born 8 October 2002) is a Chinese professional tennis player. She has been ranked world No. 4 in women's singles by the WTA, achieved in June 2025, and is only the second Chinese pla ...
. She lost in the last eight to fourth seed Jessica Pegula in a three-set match played over two days due to rain interruptions. She reached her 11th Grand Slam doubles final at
Wimbledon Wimbledon most often refers to: * Wimbledon, London, a district of southwest London * Wimbledon Championships, the oldest tennis tournament in the world and one of the four Grand Slam championships Wimbledon may also refer to: Places London * W ...
and third at this major with Taylor Townsend. They won the title defeating the new world No. 1,
Erin Routliffe Erin Hope Routliffe (born 11 April 1995) is a New Zealand professional tennis player who previously represented Canada. She became world No. 1 in doubles on 15 July 2024. Routliffe won a major doubles title at the 2023 US Open partnering Gabri ...
and
Gabriela Dabrowski Gabriela "Gaby" Dabrowski (; , ; born April 1, 1992) is a Canadian professional tennis player. She reached her career-high doubles ranking of world No. 3 on 15 July 2024. A three-time Grand Slam champion, she won the 2023 US Open doubles title, ...
, in straight sets with two tiebreaks. Siniaková reunited with Barbora Krejčíková in the doubles at the
Prague Open In tennis, Prague Open may refer to: * Prague Open (1987–1999) * 1992 HTC Prague Open, HTC Prague Open, held only in 1992 * BVV Prague Open (1993–1994) * I.ČLTK Prague Open, Advantage Cars Prague Open * WTA Prague Open, Livesport Prague Open * ...
, winning their first title together on home soil by defeating wildcards
Bethanie Mattek-Sands Bethanie Mattek-Sands ( Bethanie Lynn Mattek; born March 23, 1985) is an American professional tennis player. She has won nine Grand Slam titles (five in women's doubles and four in mixed doubles), and an Olympic gold medal, and is a former w ...
and
Lucie Šafářová Lucie Šafářová (; born 4 February 1987) is a Czech professional tennis player who was ranked List of WTA number 1 ranked doubles tennis players, world No. 1 in doubles, and No. 5 in singles. She is a five-time Grand Slam champion in doubles ...
in the final as they warmed up for the
2024 Summer Olympics The 2024 Summer Olympics (), officially the Games of the XXXIII Olympiad () and branded as Paris 2024, were an international multi-sport event held in France from 26 July to 11 August 2024, with several events started from 24 July. P ...
. At the Games in Paris they lost in the quarterfinals to Mirra Andreeva and Diana Shnaider. Siniaková did achieve success in the
mixed doubles Mixed doubles or mixed pairs is a form of mixed-sex sports that consists of teams of one man and one woman. This variation of competition is prominent in curling and racket sports, such as tennis, table tennis, and badminton (where it is known ...
, winning the gold medal with Tomáš Macháč. Going into the Guangzhou Open in October as top seed, Siniaková reached the semifinals with wins over
Petra Martić Petra Martić (; born 19 January 1991) is a Croatian professional tennis player. She has a career-high WTA rankings, singles ranking of world No. 14, achieved in January 2020. Martić has won two singles titles on the WTA Tour, one singles and o ...
, Alycia Parks and
Bernarda Pera Bernarda Pera ( ; ; born 3 December 1994) is a Croatian-American professional tennis player. Pera has won two singles titles and one doubles title on the WTA Tour, along with nine singles and eight doubles titles on the ITF Circuit. She achieved ...
. In the semifinal match against
Olga Danilović Olga Danilović ( sr-Cyrl, Олга Даниловић, ; born 23 January 2001) is a Serbian professional tennis player. On 5 May 2025, she reached her best singles ranking of world No. 33. On 24 April 2023, she peaked at No. 104 in the WTA double ...
, she retired in the third set. Partnering Zhang Shuai, she won the doubles at the same tournament, defeating
Katarzyna Piter Katarzyna Piter (; born 16 February 1991) is a Polish professional tennis player who specializes in doubles. In May 2014, she reached her career-high ranking of No. 95 in singles and in July 2022, No. 66 in doubles. She has won three doubles ti ...
and
Fanny Stollár Fanny Stollár (born 12 November 1998) is a Hungarian tennis player. On 19 May 2025, she peaked at world No. 50 in the WTA doubles rankings. On 19 November 2018, she reached her best singles ranking of No. 114. Stollár has won four doubles tit ...
in the final. Siniaková clinched the year-end No. 1 doubles ranking on 5 November for the fourth time in her career. Partnering Taylor Townsend, she qualified for the WTA Finals and reached the semifinals after going unbeaten in the group stages. They defeated
Chan Hao-ching Chan Hao-ching (; ; born September 19, 1993), also known as Angel Chan, is a Taiwanese professional tennis player. She is primarily a doubles specialist, having won twenty-one WTA Tour, two WTA Challenger and six ITF titles in that discipline. ...
and
Veronika Kudermetova Veronika Eduardovna Kudermetova (born 24 April 1997) is a Russian professional tennis player. She has a career-high singles ranking of world No. 9, achieved on 24 October 2022, and a best WTA doubles ranking of No. 2, reached on 6 June 2022. In ...
in the last four. Siniaková and Townsend lost to second seeds
Gabriela Dabrowski Gabriela "Gaby" Dabrowski (; , ; born April 1, 1992) is a Canadian professional tennis player. She reached her career-high doubles ranking of world No. 3 on 15 July 2024. A three-time Grand Slam champion, she won the 2023 US Open doubles title, ...
and
Erin Routliffe Erin Hope Routliffe (born 11 April 1995) is a New Zealand professional tennis player who previously represented Canada. She became world No. 1 in doubles on 15 July 2024. Routliffe won a major doubles title at the 2023 US Open partnering Gabri ...
in the final.


2025: 10th major doubles title

Partnering Taylor Townsend, Siniaková claimed her 10th major doubles title by winning the
Australian Open The Australian Open (stylized ΛO) is a tennis tournament organised by Tennis Australia annually at Melbourne Park in Melbourne, Victoria (state), Victoria, Australia. It is chronologically the first of the four Grand Slam (tennis), Grand Sl ...
, defeating
Hsieh Su-wei Hsieh Su-wei (; ; born 4 January 1986) is a Taiwanese professional tennis player. A former List of WTA number 1 ranked doubles tennis players, world No. 1 in Doubles tennis, doubles with nine Grand Slam (tennis), Grand Slam titles, she is rega ...
and
Jeļena Ostapenko Jeļena "Aļona" Ostapenko (born 8 June 1997) is a Latvian professional tennis player. She has career-high rankings of world No. 5 in singles and No. 4 in doubles by the WTA. Ostapenko has won nine WTA Tour-level singles and eleven doubles tit ...
in the final. In her next tournament, the Linz Open, she played alongside Zhang Shuai and reached the semifinals, where they lost in three sets to
Luisa Stefani Luisa Veras Stefani (; born 9 August 1997) is a professional tennis player from Brazil who specializes in doubles. Stefani is the first Brazilian woman to reach the WTA rankings, WTA top 10 in the Open Era. This milestone for Brazilian tennis w ...
and
Tímea Babos Tímea Babos (; born 10 May 1993) is a Hungarian professional tennis player who is a former List of WTA number 1 ranked doubles tennis players, world No. 1 in doubles. She has won three WTA Tour titles in singles and 27 in doubles. Babos is a f ...
. Back alongside Taylor Townsend, Siniaková won the doubles title at the
Dubai Tennis Championships The Dubai Tennis Championships (also known as the Dubai Duty Free Tennis Championships for sponsorship reasons) (formerly known for sponsorship reasons as the ''Barclays Dubai Tennis Championships'' and the ''Dubai Duty Free Men's and Women's Champ ...
, defeating Hsieh and Ostapenko in the final in a repeat of the previous months' Australian Open championship match.


National representation

In February 2017, she was nominated to the Fed Cup team for the first time by the captain Petr Pála as she was the third best ranked woman Czech tennis player (considering
Petra Kvitová Petra Kvitová (; born 8 March 1990) is a Czech professional tennis player. Known for her powerful left-handed groundstrokes and variety, Kvitová has won 31 career singles titles, including two Grand Slam (tennis)#Tournaments, major titles ...
's injury) after
Karolína Plíšková Karolína Plíšková (; born 21 March 1992) is a Czech professional tennis player. She has been ranked as the world No. 1 in women's singles by the Women's Tennis Association (WTA), holding the position for a total of eight weeks, and has been ...
and
Barbora Strýcová Barbora Strýcová (; born 28 March 1986), formerly known as Barbora Záhlavová-Strýcová, is a Czech former professional tennis player who was ranked List of WTA number 1 ranked doubles tennis players, world No. 1 in doubles. She won two Gra ...
and would benefit from the experience. She was again part of the Fed Cup the following year, playing in both the semi-finals and final. She won a singles and doubles rubber in the latter, thereby collecting the final points Czech Republic needed to win the event. Siniaková along with
Barbora Krejčíková Barbora Krejčíková (; born 18 December 1995) is a Czech professional tennis player. She has been WTA rankings, ranked as high as world No. 2 in singles and List of WTA number 1 ranked doubles tennis players, world No. 1 in doubles by the Wome ...
won the gold medal in the women's doubles at the
2020 Summer Olympics The officially the and officially branded as were an international multi-sport event that was held from 23 July to 8 August 2021 in Tokyo, Japan, with some of the preliminary sporting events beginning on 21 July 2021. Tokyo ...
. Siniaková was also part of the Czech team at the 2020-21 Billie Jean King Cup Finals in Prague, where she played doubles alongside
Lucie Hradecká Lucie Hradecká (; born 21 May 1985) is a Czech former professional tennis player. A three-time Grand Slam doubles champion and 26-time WTA Tour doubles titlist, she reached her career-high doubles ranking of world No. 4 in October 2012. She w ...
. She was again part of the Czech team at the 2022 Billie Jean King Cup Finals held in Glasgow, Scotland. In the group stage, she teamed up with
Markéta Vondroušová Markéta Vondroušová (; born 28 June 1999) is a Czech professional tennis player. She has been ranked world No. 6 in singles by the Women's Tennis Association, WTA. Vondroušová has won two singles titles, including the 2023 Wimbledon Champio ...
to win a doubles tie against Poland and earned the winning point by beating Coco Gauff in singles.


Career statistics


Grand Slam tournament performance timelines


Singles


Doubles


Grand Slam tournament finals


Doubles: 12 (10 titles, 2 runner-ups)


Other significant finals


Olympic medal matches


Doubles: 1 (gold)


Mixed doubles: 1 (gold)


Year-end championships


Doubles: 4 (1 title, 3 runner-ups)


References


External links

* * * * * * {{DEFAULTSORT:Siniakova, Katerina 1996 births Living people Czech female tennis players Czech people of Russian descent French Open champions French Open junior champions Grand Slam (tennis) champions in girls' doubles Grand Slam (tennis) champions in women's doubles ITF World Champions Medalists at the 2020 Summer Olympics Medalists at the 2024 Summer Olympics Olympic gold medalists for the Czech Republic Olympic medalists for the Czech Republic in tennis Olympic tennis players for the Czech Republic Sportspeople from Hradec Králové Tennis players at the 2020 Summer Olympics Tennis players at the 2024 Summer Olympics US Open (tennis) junior champions Wimbledon champions Wimbledon junior champions WTA number 1 ranked doubles tennis players