Dominik_Köpfer
Dominik Koepfer
German tennis player
Dominik Koepfer (born 29 April 1994), also spelled Köpfer,[1] is a German professional tennis player. He achieved a career-high ATP singles ranking of world No. 49 on 4 March 2024, and a doubles ranking of No. 92 on 14 February 2022. He played college tennis at Tulane University.[2]
Koepfer at the 2021 French Open | |
| Country (sports) |  Germany |
|---|---|
| Residence | Tampa, United States |
| Born | (1994-04-29) 29 April 1994 (age 29) Furtwangen, Germany |
| Height | 1.80 m (5 ft 11 in) |
| Turned pro | 2016 |
| Plays | Left-handed (two-handed backhand) |
| College | Tulane |
| Coach | Rhyne Williams, Billy Heiser |
| Prize money | US$2,972,992 |
| Singles | |
| Career record | 52–64 (44.8% in ATP Tour events) |
| Career titles | 0 |
| Highest ranking | No. 49 (4 March 2024) |
| Current ranking | No. 54 (8 April 2024) |
| Grand Slam singles results | |
| Australian Open | 2R (2021, 2022) |
| French Open | 3R (2021) |
| Wimbledon | 3R (2021) |
| US Open | 4R (2019) |
| Other tournaments | |
| Olympic Games | 3R (2021) |
| Doubles | |
| Career record | 25–18 (58.1% in ATP Tour events) |
| Career titles | 0 |
| Highest ranking | No. 92 (14 February 2022) |
| Current ranking | No. 97 (29 January 2024) |
| Grand Slam doubles results | |
| Australian Open | SF (2024) |
| French Open | 2R (2021) |
| Wimbledon | 2R (2021) |
| US Open | 3R (2021) |
| Team competitions | |
| Davis Cup | SF (2021) |
| Last updated on: 4 March 2024. | |
2017: ATP debut
Koepfer made his ATP main draw debut at the Winston-Salem Open as a lucky loser. He won his first ATP Challenger Tour title in doubles at the Columbus Challenger, partnering Denis Kudla.
2018: First ATP win
Koepfer won his first match on the ATP Tour, again as a lucky loser at the Winston-Salem Open, defeating Tennys Sandgren.
2019: First Challenger title, Grand Slam debut, US Open fourth round
After winning his maiden Challenger title in singles at the Ilkley Trophy, Koepfer earned a wild card into the Wimbledon Championships.[3] There, he won his first Grand Slam main draw match by defeating Filip Krajinović in the first round before losing to Diego Schwartzman in straight sets.
As a qualifier at the US Open, Koepfer defeated 17th seed Nikoloz Basilashvili in the third round, before losing to eventual finalist Daniil Medvedev in four sets in the fourth round.[4]
2020: First Top-10 win and Masters 1000 quarterfinal
Koepfer reached his first ATP Tour Masters 1000 quarterfinal at the Italian Open, defeating Gael Monfils en route for his first top-10 win before losing to eventual champion Novak Djokovic in three sets.
He reached the second round of the French Open for the first time, losing to Stan Wawrinka 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.[5] At the Australian Open, he was defeated in the second round by third seed and last year finalist, Dominic Thiem.[6]
Seeded sixth at the Córdoba Open, Koepfer was eliminated in the first round by Federico Coria.[7] In Buenos Aires, he fell in the second round to fifth seed Albert Ramos Viñolas.[8] At the Mexican Open, he reached his first ATP tour semifinal beating Mexican wildcard Gerardo López Villaseñor,[9] fourth seed Milos Raonic,[10] and Cameron Norrie.[11] He ended up losing to second seed, compatriot, and eventual champion, Alexander Zverev.[12] 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.[13]
Koepfer began the clay-court season at the Monte-Carlo Masters. Getting past qualifying, he lost in the first round to fellow qualifier Marco Cecchinato.[14] Next, he competed at the Barcelona Open. He was defeated in the first round by fellow leftie Corentin Moutet.[15] Playing in Munich, he was eliminated in the second round by seventh seed, compatriot, and eventual finalist Jan-Lennard Struff.[16] At the Madrid Open, he was beaten in his second-round match by 16th seed Cristian Garín.[17] His final tournament before the second Grand slam of the year was the Geneva Open. He upset seventh seed Benoît Paire in a three-set first round victory.[18] He ended up losing in the quarterfinals to third seed and eventual champion, Casper Ruud.[19] At the French Open, he reached the third round for the first time and was defeated by eighth seed, former world number one, and 2009 champion Roger Federer.[20]
Koepfer opened his grass-court season at the Stuttgart Open. He lost in the first round to Jurij Rodionov.[21] In Halle, he faced third seed Alexander Zverev in the first round. He pushed Zverev to three sets but ended up losing the match.[22] At Wimbledon, he made it to the third round for the first time where he fell to eighth seed Roberto Bautista Agut.[23]
After Wimbledon, Koepfer played at the Hamburg Open. He was eliminated in the second round by top seed Stefanos Tsitsipas.[24] Representing Germany at the Summer Olympics, he reached the third round and lost to sixth seed and eventual bronze medalist, Pablo Carreño Busta.[25]
Starting his US Open preparation at the Canadian Open, Koepfer was defeated in the first round of qualifying by Canadian wildcard Peter Polansky.[26] In Cincinnati, he fell in the final round of qualifying to Marcos Giron before earning a spot in the main draw as a lucky lower. He was defeated in the second round by seventh seed Pablo Carreño Busta.[27] Seeded 16th at the Winston-Salem Open, he reached the third round where he was beaten by top seed Carreño Busta.[28] At the US Open, he lost in the second round to second seed and eventual champion, Daniil Medvedev.[29]
Competing at the first edition of the San Diego Open, Koepfer was defeated in the first round by eventual finalist Cameron Norrie.[30] At the Indian Wells Masters, he fell in the first round to Emil Ruusuvuori in three sets.[31] In Vienna, he was eliminated in the final round of qualifying by Gianluca Mager. Entering the main draw as a lucky loser, he lost in the first round to Lorenzo Sonego.[32] At the Paris Masters, he lost in the final round of qualifying to Miomir Kecmanović. Due to the withdrawal of Jenson Brooksby, he entered the tournament's main draw as a lucky loser.[33] He defeated Andy Murray in the first round, saving seven match points; his victory was named one of the top-5 comebacks of the 2021 season.[34][35] In the second round, he upset ninth seed Félix Auger-Aliassime. With this win, he ended the Canadian's hopes of qualifying for the ATP finals.[36] In the third round, he lost to seventh seed Hubert Hurkacz in three sets.[37]
2022: Loss of form, out of clay season & of top 200
At the Australian Open, Koepfer defeated Carlos Taberner before losing to 23rd seed Reilly Opelka in the second round. Due to an ongoing arm injury,[38] he decided to skip the entire clay season. As a result, his ranking plummeted to No. 149 on 18 July 2022, out of the top 150 at No. 159 on 22 August 2022, and out of the top 250 at No. 259 on 7 November 2022.
Following his title at the Calgary National Bank Challenger, he returned to the top 200 at world No. 195 climbing 64 positions up in the rankings on 14 November 2022 only to drop again to No. 202 on 28 November 2022.
2023: Two Challenger titles, back to top 100, maiden ATP doubles final
Ranked No. 262, Koepfer won his third Challenger at the Mexico City Open and returned to the top 200 at world No. 179 up more than 80 positions in the rankings.[39][40][41] The following week, he reached a second final at the San Luis Open Challenger. As a result, he moved another 25 positions into the top 155. He also reached the final at the Prague Open and reached the top 150 on 8 May 2023. Koepfer won his fourth Challenger title at the Challenger 175 at the Piemonte Open in Turin as an alternate and moved close to 50 positions up, a couple of positions shy of the top 100.[42]
He reached the semifinals at the Los Cabos Open where he lost to fifth seed Alex de Minaur.[43] At the same tournament, he also reached his maiden ATP final with Andrew Harris.[44]
2024: Major doubles semifinals, second Masters fourth round
He won his fifth Challenger at the 2024 Canberra Tennis International.[45]
He then competed in the 2024 Australian Open, beginning his campaign against fellow compatriot and sixth seed Alexander Zverev, falling in four tight sets. In doubles, alongside his compatriot Yannick Hanfmann he reached the semifinals as an unseeded pair,[46] before losing to Italian duo Simone Bolelli and Andrea Vavassori.
At the 2024 Dallas Open he reached the quarterfinals defeating Aleksandar Kovacevic and Rinky Hijikata. He lost to eventual champion Tommy Paul.[47][48] He reached a second quarterfinal for the season at the 2024 Abierto Mexicano Telcel in Acapulco, defeating qualifier Terence Atmane and eight seed Frances Tiafoe. He lost to second seed Holger Rune. He reached a new career-high ranking of No. 49 on 4 March 2024. At the 2024 Miami Open, he defeated Marcos Giron, 18th seed Sebastian Baez and 14th seed Ugo Humbert to reach the fourth round of a Masters for the second time, recording his first wins at this tournament.
| W | F | SF | QF | #R | RR | Q# | P# | DNQ | A | Z# | PO | G | S | B | NMS | NTI | P | NH |
Singles
Current through the 2024 Madrid Open.
| Tournament | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | SR | W–L | Win % |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Grand Slam tournaments | |||||||||||
| Australian Open | A | A | Q2 | 1R | 2R | 2R | A | 1R | 0 / 4 | 2–4 | 33% |
| French Open | A | A | Q2 | 2R | 3R | A | Q3 | 0 / 2 | 3–2 | 60% | |
| Wimbledon | A | Q3 | 2R | NH | 3R | 1R | 1R | 0 / 4 | 3–4 | 43% | |
| US Open | A | A | 4R | 1R | 2R | Q1 | 1R | 0 / 4 | 4–4 | 50% | |
| Win–loss | 0–0 | 0–0 | 4–2 | 1–3 | 6–4 | 1–2 | 0–2 | 0–1 | 0 / 14 | 12–14 | 46% |
| National representation | |||||||||||
| Summer Olympics | NH | 3R | NH | 0 / 1 | 2–1 | 67% | |||||
| Davis Cup | A | A | A | QR | SF | A | A | QR | 0 / 1 | 3–2 | 60% |
| ATP Masters 1000 | |||||||||||
| Indian Wells Open | A | A | A | NH | 1R | 2R | A | 1R | 0 / 3 | 1–3 | 25% |
| Miami Open | A | A | A | NH | 1R | 1R | A | 4R | 0 / 3 | 3–3 | 50% |
| Monte-Carlo Masters | A | A | A | NH | 1R | A | A | 1R | 0 / 2 | 0–2 | 0% |
| Madrid Open | A | A | A | NH | 2R | A | A | 1R | 0 / 2 | 1–2 | 33% |
| Italian Open | A | A | A | QF | A | A | A | 0 / 1 | 3–1 | 75% | |
| Canadian Open | A | A | A | NH | Q1 | A | A | 0 / 0 | 0–0 | – | |
| Cincinnati Open | A | A | A | Q2 | 2R | A | A | 0 / 1 | 1–1 | 50% | |
| Shanghai Masters | A | A | Q2 | NH | A | 0 / 0 | 0–0 | – | |||
| Paris Masters | A | A | A | A | 3R | A | Q1 | 0 / 1 | 2–1 | 67% | |
| Win–loss | 0–0 | 0–0 | 0–0 | 3–1 | 4–6 | 1–2 | 0–0 | 3–4 | 0 / 13 | 11–13 | 46% |
| Career statistics | |||||||||||
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Career | |||
| Tournaments | 1 | 2 | 4 | 6 | 24 | 9 | 6 | 10 | Career total: 62 | ||
| Hard win–loss | 0–1 | 1–1 | 3–3 | 2–3 | 12–14 | 3–6 | 7–5 | 8–6 | 0 / 37 | 36–39 | 48% |
| Clay win–loss | 0–0 | 0–1 | 0–0 | 5–3 | 8–9 | 0–0 | 0–0 | 0–4 | 0 / 17 | 13–17 | 43% |
| Grass win–loss | 0–0 | 0–0 | 1–1 | 0–0 | 2–3 | 0–3 | 0–1 | 0–0 | 0 / 8 | 3–8 | 27% |
| Overall win–loss | 0–1 | 1–2 | 4–4 | 7–6 | 22–26 | 3–9 | 7–6 | 8–10 | 0 / 62 | 52–64 | 45% |
| Win % | 0% | 33% | 50% | 54% | 46% | 25% | 54% | 47% | Career total: 45% | ||
| Year-end ranking | 305 | 161 | 94 | 66 | 54 | 201 | 77 | ||||
Doubles
| Tournament | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | SR | W–L |
|---|---|---|---|---|---|---|---|---|
| Grand Slam tournaments | ||||||||
| Australian Open | A | A | 2R | 2R | A | SF | 0 / 3 | 6–3 |
| French Open | A | A | 2R | A | A | 0 / 1 | 1–1 | |
| Wimbledon | A | NH | 2R | A | A | 0 / 1 | 1–1 | |
| US Open | A | A | 3R | A | A | 0 / 1 | 1–1 | |
| Win–loss | 0–0 | 0–0 | 4–4 | 1–1 | 0–0 | 4–1 | 0 / 6 | 9–6 |
| Career statistics | ||||||||
| Tournaments | 1 | 0 | 13 | 3 | 1 | 5 | 23 | |
| Titles | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Finals | 0 | 0 | 0 | 0 | 1 | 0 | 1 | |
| Overall win–loss | 2–1 | 0–0 | 14–11 | 2–3 | 3–1 | 5–5 | 26–21 | |
| Year-end ranking | 314 | 412 | 104 | 475 | 387 | 55% | ||
Doubles: 1 (1 runner-up)
|
|
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Aug 2023 | Los Cabos Open, Mexico |
250 Series | Hard |  Andrew Harris |
 Santiago González  Édouard Roger-Vasselin |
4–6, 5–7 |
Singles: 16 (9–7)
|
|
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
|---|---|---|---|---|---|---|---|
| Win | 1–0 | Oct 2016 | USA F32, Harlingen | Futures | Hard |  Luke Bambridge |
6–4, 6–4 |
| Loss | 1–1 | Jan 2017 | USA F5, Weston | Futures | Clay |  Hugo Dellien |
2–6, 5–7 |
| Win | 2–1 | Mar 2017 | USA F5, Orlando | Futures | Clay |  Tommy Paul |
4–6, 6–3, 7–5 |
| Win | 3–1 | Jul 2017 | USA F24, Champaign | Futures | Hard |  Jose Statham |
6–7(5–7), 6–2, 7–5 |
| Loss | 3–2 | Feb 2018 | San Francisco, United States | Challenger | Hard (i) |  Jason Jung |
4–6, 6–2, 6–7(5–7) |
| Win | 4–2 | Mar 2018 | Canada F2, Sherbrooke | Futures | Hard (i) | Michael Redlicki |
6–7(3–7), 7–5, 6–2 |
| Win | 5–2 | Jun 2019 | Ilkley, United Kingdom | Challenger | Grass |  Dennis Novak |
3–6, 6–3, 7–6(7–5) |
| Loss | 5–3 | Aug 2019 | Aptos, United States | Challenger | Hard | Steve Johnson |
4–6, 6–7(4–7) |
| Loss | 5–4 | Sep 2022 | Cary, United States | Challenger | Hard | Michael Mmoh |
5–7, 3–6 |
| Win | 6–4 | Nov 2022 | Calgary, Canada | Challenger | Hard (i) | Aleksandar Vukic |
6–2, 6–4 |
| Win | 7–4 | Apr 2023 | Mexico City, Mexico | Challenger | Clay |  Thiago Agustín Tirante |
2–6, 6–4, 6–2 |
| Loss | 7–5 | Apr 2023 | San Luis Potosí, Mexico | Challenger | Clay |  Tomás Barrios Vera |
6–7(6–8), 5–7 |
| Loss | 7–6 | May 2023 | Prague, Czech Republic | Challenger | Clay |  Jakub Menšík |
4–6, 3–6 |
| Win | 8–6 | May 2023 | Turin, Italy | Challenger | Clay[lower-alpha 1] |  Federico Gaio |
6–7(5–7), 6–2, 6–0 |
| Loss | 8–7 | Nov 2023 | Calgary, Canada | Challenger | Hard (i) |  Liam Draxl |
4–6, 3–6 |
| Win | 9–7 | Jan 2024 | Canberra, Australia | Challenger | Hard | Jakub Menšík |
6–3, 6–2 |
Doubles: 5 (2–3)
|
|
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|---|
| Win | 1–0 | Aug 2016 | USA F27, Champaign |
Futures | Hard | Jared Hiltzik |
Tim Kopinski Alex Lawson |
3–6, 6–3, [11–9] |
| Loss | 1–1 | Feb 2017 | USA F7, Orlando |
Futures | Clay | Boris Arias |
Connor Smith Rhyne Williams |
6–3, 3–6, [8–10] |
| Loss | 1–2 | Mar 2017 | USA F10, Bakersfield |
Futures | Hard | Jared Hiltzik |
Patrick Kawka Keegan Smith |
3–6, 6–3, [6–10] |
| Loss | 1–3 | Jun 2017 | USA F19, Winston-Salem |
Futures | Hard |  Luis David Martínez |
Christopher Eubanks Kevin King |
3–6, 4–6 |
| Win | 2–3 | Sep 2017 | Columbus, United States |
Challenger | Hard (i) | Denis Kudla |
Luke Bambridge David O'Hare |
7–6(8–6), 7–6(7–3) |
Koepfer's match record against players who have been ranked in the top 10, with those who are active in boldface.[50]
Only ATP Tour main draw matches are considered.
- Statistics correct as of 29 February 2024[update].
| Player | Years | Record | Win % | Hard | Clay | Grass |
|---|---|---|---|---|---|---|
| Number 1 ranked players | ||||||
| Andy Murray |
2021 | 1–0 | 100% | 1–0 | – | – |
 Carlos Alcaraz |
2023 | 0–1 | 0% | 0–1 | – | – |
 Novak Djokovic |
2020 | 0–1 | 0% | – | 0–1 | – |
 Roger Federer |
2021 | 0–1 | 0% | – | 0–1 | – |
 Daniil Medvedev |
2019–21 | 0–2 | 0% | 0–2 | – | – |
| Number 2 ranked players | ||||||
 Casper Ruud |
2021 | 0–1 | 0% | – | 0–1 | – |
| Alexander Zverev |
2021–24 | 0–3 | 0% | 0–2 | – | 0–1 |
| Number 3 ranked players | ||||||
| Milos Raonic |
2021 | 1–0 | 100% | 1–0 | – | – |
| Stan Wawrinka |
2020 | 0–1 | 0% | – | 0–1 | – |
| Dominic Thiem |
2021 | 0–1 | 0% | 0–1 | – | – |
 Stefanos Tsitsipas |
2021 | 0–1 | 0% | – | 0–1 | – |
| Number 5 ranked players | ||||||
| Taylor Fritz |
2019–21 | 1–2 | 33% | 0–2 | 1–0 | – |
| Andrey Rublev |
2021–22 | 0–2 | 0% | 0–2 | – | – |
| Number 6 ranked players | ||||||
| Félix Auger-Aliassime |
2021 | 1–0 | 100% | 1–0 | – | – |
| Gaël Monfils |
2020 | 1–0 | 100% | – | 1–0 | – |
| Number 8 ranked players | ||||||
| John Isner |
2023 | 1–0 | 100% | 1–0 | – | – |
| Cameron Norrie |
2021 | 1–1 | 50% | 1–1 | – | – |
 Hubert Hurkacz |
2021 | 0–1 | 0% | 0–1 | – | – |
| Karen Khachanov |
2022 | 0–1 | 0% | 0–1 | – | – |
| Diego Schwartzman |
2019 | 0–1 | 0% | – | – | 0–1 |
| Number 9 ranked players | ||||||
| Roberto Bautista Agut |
2020–21 | 0–2 | 0% | – | 0–1 | 0–1 |
| Number 10 ranked players | ||||||
| Frances Tiafoe |
2024 | 1–0 | 100% | 1–0 | – | – |
| Alex de Minaur |
2020–23 | 1–1 | 50% | 0–1 | 1–0 | – |
| Pablo Carreño Busta |
2021 | 0–3 | 0% | 0–3 | – | – |
| Total | 2019–24 | 9–26 | 26% | 6–17 | 3–6 | 0–3 |
- Koepfer has a 1–15 (6.3%) record against players who were, at the time the match was played, ranked in the top 10.[51]
| # | Player | Rank | Event | Surface | Rd | Score | DKR |
|---|---|---|---|---|---|---|---|
| 2020 | |||||||
| 1. | Gaël Monfils |
9 | Italian Open, Italy | Clay | 2R | 6–2, 6–4 | 97 |
Davis Cup (3–2)
|
|
|
|
| Date | Venue | Surface | Rd | Opponent nation | Score | Match | Opponent player | W/L | Rubber score |
|---|---|---|---|---|---|---|---|---|---|
| 2020–21 | |||||||||
| Mar 2020 | Düsseldorf | Hard (i) | QR |  Belarus |
4–1 | Singles | Daniil Ostapenkov | Win | 6–0, 6–2 |
| Nov 2021 | Innsbruck | Hard (i) | RR | Serbia |
2–1 | Singles | Filip Krajinović | Win | 7–6(7–4), 6–4 |
| Austria |
2–1 | Singles | Jurij Rodionov | Loss | 1–6, 5–7 | ||||
| Dec 2021 | Madrid | SF | Russia |
1–2 | Singles | Andrey Rublev | Loss | 4–6, 0–6 | |
| 2024 | |||||||||
| Feb 2024 | Tatabánya | Hard (i) | QR |  Hungary |
3–2 | Singles | Fábián Marozsán | Win | 6–2, 7–6(7–4) |
- The final itself was played on indoor hard due to rain.[49]
- "Koepfer Earns Wimbledon Wild Card With Ilkley Title". ATP Tour. 24 June 2019.
- "Medvedev Makes First Slam QF At US Open". ATP Tour. 1 September 2019.
- Wenzel, Murray (1 February 2021). "O'Connell leads male Aussie tennis charge". www.canberratimes.com.au. Retrieved 3 October 2021.
- KILPATRICK, JAMES (9 February 2021). "AAustralian Open 2021 - Dominic Thiem dismantles Germany's Dominik Koepfer to reach the third round". www.eurosport.com. Retrieved 3 October 2021.
- "ATP roundup: Federico Coria earns upset win at Cordoba". www.reuters.com. 23 February 2021. Retrieved 3 October 2021.
- Sharma, Avinash (4 March 2021). "Argentina Open: Miomir Kecmanovic rallies in Buenos Aires for first win alongside David Nalbandian". www.mykhel.com. Retrieved 5 October 2021.
- "Gerardo López Villaseñor says goodbye to the 2021 Mexican Tennis Open". www.milenio.com. 15 March 2021. Retrieved 5 November 2021.
- "Canadians hit the courts in Mexico: Auger-Aliassime and Fernandez win, Raonic falls". www.tenniscanada.com. 17 March 2021. Retrieved 5 November 2021.
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- "Zverev Moves One Win From First Acapulco Title". www.atptour.com. 20 March 2021.
- "ATP - Miami: Hugo Gaston outclasses Dominik Koepfer!". wesportfr.com. 24 March 2021. Retrieved 6 November 2021.
- "Masters 1000 Monte Carlo: Marco Cecchinato overtakes Koepfer in two sets". www.italy24news.com. 13 April 2021. Retrieved 6 November 2021.
- Tenbusch, Ronald (20 April 2021). "First slapstick, then bankrupt! Used tag for Koepfer". www.mytennis.info. Retrieved 7 November 2021.
- "ATP roundup: Jan-Lennard Struff reaches Munich quarters". www.reuters.com. 29 April 2021. Retrieved 7 November 2021.
- Ramchandani, Haresh (5 May 2021). "Medvedev snaps six-match losing streak on clay to advance in Madrid". www.tennismajors.com. Retrieved 7 November 2021.
- JOSHI, PURAV (18 May 2021). "Benoit Paire Optimistic About French Open 2021 Despite Yet Another 1st Round Loss at Geneva Open". www.essentiallysports.com. Retrieved 7 November 2021.
- "Top seed Dominic Thiem Eliminated By Cameron Norrie In Lyon, Casper Ruud Run Goes On At Geneva Open". www.outlookindia.com. 21 May 2021. Retrieved 7 November 2021.
- GOLDBERG, ROB (5 June 2021). "Roger Federer Survives Upset Bid From Dominik Koepfer to Advance At 2021 French Open". bleacherreport.com. Retrieved 7 November 2021.
- Goosmann, Florian (9 June 2021). "ATP Stuttgart: Jurij Rodionov beats Koepfer". www.tennisnet.com. Retrieved 7 November 2021.
- "Zverev Dodges Koepfer Challenge To Reach Second Round In Halle". www.atptour.com. 15 June 2021. Retrieved 7 November 2021.
- Oddo, Chris (2 July 2021). "Bautista Agut, 2019 Wimbledon semi-finalist, is back in the second week". www.tennismajors.com. Retrieved 7 November 2021.
- "Tsitsipas Moves Through In Hamburg". www.atptour.com. 14 July 2021. Retrieved 7 November 2021.
- Trollope, Matt (28 July 2021). "Olympics: Djokovic, Medvedev into quarters as Tsitsipas exits". ausopen.com. Retrieved 7 November 2021.
- "Peter Polansky and Brayden Schnur surprise at the National Bank Open". www.archysport.com. 8 August 2021. Retrieved 7 November 2021.
- Dimon, Ricky (18 August 2021). "Hurkacz sends Murray packing from Western & Southern Open". www.tennismajors.com. Retrieved 7 November 2021.
- "CARRENO BUSTA, TIAFOE LEAD QUARTERFINALISTS". www.winstonsalemopen.com. 26 August 2021. Retrieved 7 November 2021.
- "US Open 2021 tennis – Daniil Medvedev cruises into round three with straight sets win over Dominik Koepfer". www.eurosport.com. 1 September 2021. Retrieved 7 November 2021.
- "Dan Evans to meet fellow Brit Cameron Norrie at the San Diego Open". www.skysports.com. 30 September 2021. Retrieved 7 November 2021.
- "Anderson Powers Through Indian Wells Opener". www.atptour.com. 9 October 2021. Retrieved 7 November 2021.
- "ATP Vienna 2021, Sonego in the round of 16, now on the field Sinner and Fognini". www.italy24news.com. 27 October 2021. Retrieved 7 November 2021.
- SINGH, ANSHUL (1 November 2021). "Andy Murray Receives Last-Minute Changes at Rolex Paris Masters 2021". www.essentiallysports.com. Retrieved 7 November 2021.
- "Lucky Loser Koepfer Saves 7 MPs, Stuns Murray In Paris". www.atptour.com. 1 November 2021. Retrieved 7 November 2021.
- "Koepfer Continues Giant-Killing Run, Ends Felix's Turin Hopes". www.atptour.com. 3 November 2021. Retrieved 7 November 2021.
- "Hurkacz Improves Turin Hopes, Plays Duckworth In Paris QFs". www.atptour.com. 4 November 2021. Retrieved 7 November 2021.
- "Interview with Koepfer: "It was the tournament that made the last three years possible for". tennisnet.com. 2022-04-14. Retrieved 2023-08-05.
- "Dominik Koepfer Rivalries". Ultimate Tennis.
- "Dominik Koepfer – ATP Win/Loss". ATP Tour.
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