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 ...

and

Kateřina Siniaková Kateřina Siniaková (; born 10 May 1996) is a Czech professional tennis player. She is the current List of WTA number 1 ranked doubles tennis players, world No. 1 in doubles. She also has a best singles WTA rankings, ranking of No. 27 by the W ...

defeated

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

Demi Schuurs Demi Schuurs (; born 1 August 1993) is a Dutch professional tennis player who specializes in doubles. On 22 October 2018, she peaked at No. 7 in the doubles rankings. In February 2015, she reached a career-high singles ranking of world No. 512. ...

in the final, 6–4, 6–3 to win the women's doubles tennis title at the 2021 Madrid Open. It marked the duo's seventh career

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 ...

doubles title together, as well as Krejčíková's eighth individual doubles title and Siniaková's 10th.

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

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 ...

were the reigning champions from when the tournament was last held in

2019 This was the year in which the first known human case of COVID-19 was documented, preceding COVID-19 pandemic, the pandemic which was declared by the World Health Organization the following year. Up to that point, 2019 had been described as ...

, but Strýcová did not return to compete due to her pregnancy. Hsieh partnered

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 ...

; they lost in the second round to

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 ...

and

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 ...

. Despite the loss, Mertens usurped Hsieh for the WTA No. 1 doubles ranking.

Seeds

Draw

Finals

Top half

Bottom half

WTA doubles main draw entrants

Seeds

*Rankings are as of April 26, 2021.

Other entrants

The following pairs received wildcards into the doubles main draw: *

Paula Badosa Paula Badosa Gibert () (born 15 November 1997) is a Spanish professional tennis player. She has been ranked as high as world No. 2 in singles by the WTA and No. 124 in doubles, achieved on 25 April 2022. She has won four WTA Tour singles titl ...

Sara Sorribes Tormo Sara Sorribes Tormo (; born 8 October 1996) is a Spanish professional tennis player. She achieved her career-high singles WTA rankings, ranking of world No. 32 on 7 February 2022 and No. 17 in doubles on 6 May 2024. She has won two singles titl ...

* Aliona Bolsova Aliona Vadimovna Bolsova Zadoinova (; ; born 6 November 1997) is a Spanish-Moldovan tennis player. On the ITF Junior Circuit, Bolsova had a combined career-high ranking of No. 4, and reached the quarterfinals of the 2015 Australian Open. Bolso ...
/ Danka Kovinić Danka Kovinić ( sr-cyrl, Данка Ковинић; born 18 November 1994) is a Montenegrin professional tennis player. On 22 February 2016, she reached a career-high singles ranking of world No. 46, and on 20 June 2016, she peaked at No. 67 i ...
The following pair received entry into the doubles main draw using a protected ranking: *

Oksana Kalashnikova Oksana Kalashnikova ( ka, ოქსანა კალაშნიკოვა, tr, ; born 5 September 1990) is a Georgian professional tennis player who specializes in doubles. She has a career-high doubles ranking by the WTA of world No. ...

Alla Kudryavtseva Alla Alexandrovna Kudryavtseva (; born 3 November 1987) is a retired Russian tennis player. Kudryavtseva won one singles title and nine doubles titles on the WTA Tour, as well as two singles titles and 15 doubles titles on the ITF Women's Circ ...

Makoto Ninomiya is a Japanese professional tennis player. She achieved a career-high doubles ranking of world No. 20 on 22 October 2018, and peaked at No. 280 in singles on 22 February 2016. Partnered with Eri Hozumi, she reached the final of the 2018 French ...

Yaroslava Shvedova Yaroslava Vyacheslavovna Shvedova (; born 12 September 1987) is a Kazakhstani former professional tennis player. Before 2008, she represented her country of birth, Russia. She won one singles title and 13 doubles titles on the WTA Tour, plus o ...

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 ...

Vera Zvonareva Vera Igorevna Zvonareva ( rus, Вера Игоревна Звонарёва, p=ˈvʲerə ˈiɡərʲɪvnə zvənɐˈrʲɵvə, a=Vera zvonareva.ogg; born 7 September 1984) is a Russian former professional tennis player. Her career-high singles ran ...

The following pair received entry into the doubles draw as an alternate: * Paula Kania-Choduń /

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 ...

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 ...

Shelby Rogers Shelby Nicole Rogers (born October 13, 1992) is an American former professional tennis player. She had career-high WTA rankings of No. 30 in singles and No. 40 in doubles, and won six singles and two doubles titles on the ITF Women's Circuit. R ...

Withdrawals

;Before the tournament *

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 ...

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 ...

→ replaced by

Anastasia Potapova Anastasia Sergeyevna Potapova. (born 30 March 2001) is a Russian professional tennis player. She has a career-high singles ranking of No. 21 by the WTA rankings, WTA, achieved on 19 June 2023, and a doubles ranking of world No. 40, reached on 5 ...

Ashleigh Barty Ashleigh Jacinta Barty (born 24 April 1996) is an Australian former professional tennis player and cricketer. 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 Assoc ...

Jennifer Brady Jennifer Elizabeth Brady (born April 12, 1995) is an inactive American tennis player. She reached a career-high singles WTA ranking of No. 13 on 22 February 2021, and a career-high doubles ranking of 44 on 19 August 2019. Brady has won one WTA ...

→ replaced by

Nao Hibino is a Japanese professional tennis player. She has been ranked as high as world No. 56 in singles and No. 43 in doubles by the WTA. Hibino has won three singles titles and three doubles titles on the WTA Tour. She has also won nine singles and ...

Renata Voráčová Renata Voráčová (; born 6 October 1983) is a Czech professional tennis player. Voráčová has won eleven doubles titles on the WTA Tour and three on WTA 125 tournaments, as well as 15 singles and 58 doubles titles on the ITF Women's Circui ...

Aliona Bolsova Aliona Vadimovna Bolsova Zadoinova (; ; born 6 November 1997) is a Spanish-Moldovan tennis player. On the ITF Junior Circuit, Bolsova had a combined career-high ranking of No. 4, and reached the quarterfinals of the 2015 Australian Open. Bolso ...

Danka Kovinić Danka Kovinić ( sr-cyrl, Данка Ковинић; born 18 November 1994) is a Montenegrin professional tennis player. On 22 February 2016, she reached a career-high singles ranking of world No. 46, and on 20 June 2016, she peaked at No. 67 i ...

→ replaced by Paula Kania-Choduń /

Anna Kalinskaya Anna Nikolayevna Kalinskaya ( rus, Анна Николаевна Калинская, , ˈanːə kɐˈlʲinskəjə, Ru-Anna_Kalinskaya.ogg; born 2 December 1998) is a Russian professional tennis player. She reached career-high rankings of world ...

/ Viktória Kužmová → replaced by

Ekaterina Alexandrova Ekaterina Evgenyevna Alexandrova ( rus, Екатери́на Евге́ньевна Александро́ва, , jɪkətʲɪˈrʲinə ɐlʲɪksɐnˈdrovə; born 15 November 1994) is a Russian professional tennis player. She has won five WTA To ...

Yang Zhaoxuan Yang Zhaoxuan (; ; born 11 February 1995) is a Chinese tennis player. She reached her best WTA doubles ranking of world No. 9 on 30 January 2023. Yang has won seven doubles titles on the WTA Tour and one WTA Challenger doubles title. In Sept ...

Asia Muhammad Asia Muhammad (born April 4, 1991) is an American professional tennis player who specializes in doubles. She has been ranked as high as world No. 8 in doubles by the WTA, achieved on March 17, 2025. Muhammad has won 13 doubles titles on the WT ...

Jessica Pegula Jessica Pegula (born February 24, 1994) is an American professional tennis player. She has career-high rankings in singles of world No. 3, achieved October 2022, and in doubles of world No. 1, set on 11 September 2023. Pegula reached the single ...

→ replaced by

Kaitlyn Christian Kaitlyn Christian (born January 13, 1992) is an American pickleball player and an inactive tennis player who specializes in doubles. In tennis, she has a career-high WTA doubles ranking of world No. 38, achieved in February 2019, and a best si ...

Sabrina Santamaria Sabrina Ashley Vida Santamaria (born February 24, 1993) is an American tennis player. She has a career-high singles ranking of world No. 384, achieved in June 2016, and a best WTA doubles ranking of No. 53, set on 12 August 2019. College career ...

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 ...

Maria Sakkari Maria Sakkari (, ; born 25 July 1995) is a Greek professional tennis player. She has been ranked as high as world No. 3 by the Women's Tennis Association, WTA, which she first achieved on 21 March 2022, making her the highest-ranked Greek player ...

→ replaced by

;During the tournament *

Victoria Azarenka Victoria Fiodaraŭna Azarenka (born 31 July 1989) is a Belarusian professional tennis player. She has been ranked as the world No. 1 in women's singles by the Women's Tennis Association (WTA), having held the position for a total of 51 weeks ...

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 ...

References

External links

Main Draw
{{DEFAULTSORT:Mutua Madrid Open - Women's Doubles 2021 WTA Tour Women's Doubles