Dominik Koepfer (born 29 April 1994) is a German professional

tennis Tennis is a racket sport that is played either individually against a single opponent ( singles) or between two teams of two players each ( doubles). Each player uses a tennis racket that is strung with cord to strike a hollow rubber ball ...

player. He has achieved a career-high ATP singles ranking of world No. 50 on 10 May 2021, and a doubles ranking of No. 92 on 14 February 2022. He played college tennis at

Tulane University Tulane University, officially the Tulane University of Louisiana, is a private university, private research university in New Orleans, Louisiana. Founded as the Medical College of Louisiana in 1834 by seven young medical doctors, it turned into ...

Professional career

2017: ATP debut

Koepfer made his ATP main draw debut at the

Winston-Salem Open The Winston-Salem Open is a men's professional tennis tournament played on the ATP Tour at Wake Forest University in Winston-Salem, North Carolina in the United States. It made its debut at Winston-Salem in 2011 and is part of the 250 tier of ev ...

as a

lucky loser A lucky loser is a sports competitor (player or team) who loses a match in a knockout tournament or loses in qualifying, but who then enters the main draw, usually when another competitor withdraws during the tournament because of illness, injury ...

. He won his first

ATP Challenger Tour The ATP Challenger Tour, known until the end of 2008 as the ATP Challenger Series, is a series of international men's professional tennis tournaments. The Challenger Tour events are the second-highest tier of tennis competition, behind the ATP T ...

title in doubles at the

2017 Columbus Challenger The 2017 Columbus Challenger was a professional tennis tournament played on indoor hard courts. It was the fourth edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Columbus, United States between 18 and 2 ...

, partnering

Denis Kudla Denis Kudla ( ; born August 17, 1992) is an American professional tennis player. A product of the Junior Tennis Champions Center, he has won eight Challenger singles titles and nine Challenger doubles titles in his career. His career-high ATP ...

2018: First ATP win

Koepfer won his first match on the ATP Tour, again as a

at the

, defeating

Tennys Sandgren Tennys Sandgren II ( ; born July 22, 1991) is an American professional tennis player. He has achieved a career-high ATP singles ATP rankings, ranking of No. 41 on January 14, 2019. He broke into the top 100 of the ATP rankings toward the end of 2 ...

2019: First Challenger title, Grand Slam debut, US Open fourth round

By winning his first Challenger in singles at the

Ilkley Trophy The Ilkley Trophy, previously named as the Fuzion 100 Ilkley Trophy and the Aegon Ilkley Trophy, is a tennis tournament for male and female professional players played on grass courts. The event is classified as a €42,500 ATP Challenger Tour, ...

Koepfer gained a wildcard for the

2019 Wimbledon Championships The 2019 Wimbledon Championships was a Grand Slam tennis tournament that took place at the All England Lawn Tennis and Croquet Club in Wimbledon, London, United Kingdom. The main tournament began on Monday 1 July 2019 and finished on Sunday 14 J ...

. There, he won his first Grand Slam main draw match by defeating

Filip Krajinović Filip Krajinović (, ; born 27 February 1992) is a Serbian professional tennis player. He achieved a career-high singles ranking of world No. 26 on 23 April 2018.

in the first round before losing to

Diego Schwartzman Diego Sebastián Schwartzman (, ; born 16 August 1992) is an Argentine professional tennis player. He has won four ATP singles titles and reached his career-high singles ranking of world 8 in October 2020. As a clay court specialist, his be ...

in straight sets. He reached for the first time the fourth round of the 2019 US Open as a qualifier, where he lost to

Daniil Medvedev Daniil Sergeyevich Medvedev (russian: Даниил Сергеевич Медведев; born 11 February 1996) is a Russian professional tennis player. He is currently ranked world No. 7 by the Association of Tennis Professionals (ATP), and was ...

in four sets.

2020: First Masters 1000 quarterfinal

Koepfer reached his first

ATP Tour Masters 1000 The ATP Masters 1000 tournaments (previously known as ATP Masters Series) is an annual series of nine tennis tournaments featuring the top-ranked players on the ATP Tour. The series' events have been held in Europe and North America since the ...

quarterfinal at the

Italian Open Italian Open may refer to: *Italian Open (tennis), a Masters 1000 level tennis tournament played in Rome each year. *Italian Open (golf) The DS Automobiles Italian Open ( it, Open d'Italia) is the men's national open golf championship of Italy. It ...

. He reached the second round of the

2020 French Open The 2020 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. Originally scheduled for 24 May to 7 June, owing to the COVID-19 pandemic, it was firs ...

for the first time where he lost to

Stan Wawrinka Stanislas "Stan" Wawrinka (; born 28 March 1985) is a Swiss professional tennis player. He reached a career-high Association of Tennis Professionals (ATP) singles ranking of world No. 3 for the first time on 27 January 2014. His career highlight ...

in four sets.

2021: Top 50 debut, two Grand Slams third rounds

Koepfer started his season at the first edition of the Great Ocean Road Open. He lost in the first round to Australian

Christopher O'Connell Christopher O'Connell (born 3 June 1994) is an Australian professional tennis player. He grew up on the Northern Beaches of Sydney. O'Connell reached a career high ATP singles ranking of World No. 78 on 28 November 2022 and a doubles ranking ...

. At the

Australian Open The Australian Open is a tennis tournament held annually at Melbourne Park in Melbourne, Australia. The tournament is the first of the four Grand Slam tennis events held each year, preceding the French Open, Wimbledon, and the US Open. Th ...

, he was defeated in the second round by third seed and last year finalist,

Dominic Thiem Dominic Thiem (; born 3 September 1993) is an Austrian professional tennis player. He has been ranked as high as world No. 3 in singles by the Association of Tennis Professionals, which he first achieved in March 2020. He is the second-highest r ...

. Seeded sixth at the

Córdoba Open The Córdoba Open is a men's ATP World Tour 250 series tournament played on outdoor clay courts. It was held for the first time as part of the 2019 ATP Tour, replacing the Ecuador Open Quito. The tournament takes place at the "Polo Deportivo K ...

, Koepfer was eliminated in the first round by

Federico Coria Federico Coria (born 9 March 1992) is an Argentine tennis player. He has a career-high ATP singles ranking of No. 49 achieved on 13 February 2023. He also has a career-high doubles ranking of No. 238, achieved on 22 November 2021. Coria has won o ...

. In

Buenos Aires Buenos Aires ( or ; ), officially the Autonomous City of Buenos Aires ( es, link=no, Ciudad Autónoma de Buenos Aires), is the capital and primate city of Argentina. The city is located on the western shore of the Río de la Plata, on South ...

, he fell in the second round to fifth seed

Albert Ramos Viñolas Albert Ramos Viñolas (; born 17 January 1988) is a Spanish professional tennis player. He is currently ranked in the top 40 in singles by the Association of Tennis Professionals (ATP), and has a career-high ATP singles ranking of world No. 17, ...

. At the Mexican Open, he reached his first ATP tour semifinal beating Mexican wildcard

Gerardo López Villaseñor Gerardo López Villaseñor (; born 12 May 1995) is an inactive Mexican professional tennis player. He has a career-high ATP ranking of 505 achieved on 17 February 2020. On the junior tour, has a career high ITF junior ranking of 138 achieved in ...

, fourth seed

Milos Raonic Milos Raonic (; sr, Милош Раонић, Miloš Raonić, ; born December 27, 1990) is a Canadian inactive professional tennis player. He has been ranked as high as world No. 3 in singles by the Association of Tennis Professionals (ATP), wh ...

, and

Cameron Norrie Cameron Norrie (; born 23 August 1995) is a South African-born British professional tennis player, having previously represented New Zealand. He has reached career-high rankings of world No. 8 in singles (on 12 September 2022) and No. 117 in dou ...

. He ended up losing to second seed, compatriot, and eventual champion,

Alexander Zverev Alexander "Sascha" Zverev (; born 20 April 1997) is a German professional tennis player. He has been ranked by the Association of Tennis Professionals (ATP) as high as world No. 2, and was continuously ranked in the top 10 from July 2017 to N ...

. With this result, Koepfer climbed into the top 60 in the rankings to a career-high of No. 54 in singles. At the Miami Open, he was beaten in the first round by

Hugo Gaston Hugo Gaston (; born 26 September 2000) is a French tennis player. His career high ATP ranking in singles is world No. 58, which he achieved on 11 July 2022, and in doubles is world No. 220, which he achieved on 16 May 2022. He won the 2018 Aust ...

. Koepfer began the clay-court season at the

Monte-Carlo Masters The Monte-Carlo Masters is an annual tennis tournament for male professional players held in Roquebrune-Cap-Martin, France, a commune that borders on Monaco. The event is part of the ATP Tour Masters 1000 on the Association of Tennis Professiona ...

. Getting past qualifying, he lost in the first round to fellow qualifier

Marco Cecchinato Marco Cecchinato (; born 30 September 1992) is an Italian professional tennis player. He has a career-high ATP singles ranking of World No. 16 reached on 25 February 2019. On 29 April 2018, he won his first ATP World Tour title at the 2018 Hungar ...

. Next, he competed at the

Barcelona Open There are two sporting events named the Barcelona Open: * Barcelona Open (golf) * Barcelona Open (tennis) {{Short pages monitor