![Dominik Koepfer, of Germany, hits a forehand to Nikoloz Basilashvili, of Georgia, during the third round of the U.S. Open tennis tournament Friday, Aug. 30, 2019, in New York. (AP Photo/Adam Hunger Dominik Koepfer, of Germany, hits a forehand to Nikoloz Basilashvili, of Georgia, during the third round of the U.S. Open tennis tournament Friday, Aug. 30, 2019, in New York. (AP Photo/Adam Hunger](https://c8.alamy.com/comp/2MJ9K8J/dominik-koepfer-of-germany-hits-a-forehand-to-nikoloz-basilashvili-of-georgia-during-the-third-round-of-the-us-open-tennis-tournament-friday-aug-30-2019-in-new-york-ap-photoadam-hunger-2MJ9K8J.jpg)
Dominik Koepfer, of Germany, hits a forehand to Nikoloz Basilashvili, of Georgia, during the third round of the U.S. Open tennis tournament Friday, Aug. 30, 2019, in New York. (AP Photo/Adam Hunger
![German qualifier Dominik Koepfer upsets Reilly Opelka at 2019 US Open - Official Site of the 2023 US Open Tennis Championships - A USTA Event German qualifier Dominik Koepfer upsets Reilly Opelka at 2019 US Open - Official Site of the 2023 US Open Tennis Championships - A USTA Event](https://photo-assets.usopen.org/images/pics/large/f_USTA1171600_20190828_USO_D3_BJPA3886.jpg)
German qualifier Dominik Koepfer upsets Reilly Opelka at 2019 US Open - Official Site of the 2023 US Open Tennis Championships - A USTA Event
![Dominik Koepfer Tennis - BMW Open 2021 - Munich - ATP - MTTC Iphitos - Germany - 2021 | Juergen Hasenkopf Photography Dominik Koepfer Tennis - BMW Open 2021 - Munich - ATP - MTTC Iphitos - Germany - 2021 | Juergen Hasenkopf Photography](https://m.psecn.photoshelter.com/img-get2/I0000qvVKyDgyEK8/fit=1000x750/Dominik-Koepfer-20210429-6086.jpg)
Dominik Koepfer Tennis - BMW Open 2021 - Munich - ATP - MTTC Iphitos - Germany - 2021 | Juergen Hasenkopf Photography
![Paris, France. 01st Nov, 2021. Dominik Koepfer of Germany during day 1 of the Rolex Paris Masters 2021, an ATP Masters 1000 tennis tournament on November 1, 2021 at Accor Arena in Paris, France. 01st Nov, 2021. Dominik Koepfer of Germany during day 1 of the Rolex Paris Masters 2021, an ATP Masters 1000 tennis tournament on November 1, 2021 at Accor Arena in](https://c8.alamy.com/comp/2H4CCE7/paris-france-01st-nov-2021-dominik-koepfer-of-germany-during-day-1-of-the-rolex-paris-masters-2021-an-atp-masters-1000-tennis-tournament-on-november-1-2021-at-accor-arena-in-paris-france-photo-jean-catuffedppilivemedia-credit-independent-photo-agencyalamy-live-news-2H4CCE7.jpg)
Paris, France. 01st Nov, 2021. Dominik Koepfer of Germany during day 1 of the Rolex Paris Masters 2021, an ATP Masters 1000 tennis tournament on November 1, 2021 at Accor Arena in
![Ex- Tulane tennis star Dominik Koepfer mixes confidence with talent to reach 3rd round of U.S. Open | Tulane | nola.com Ex- Tulane tennis star Dominik Koepfer mixes confidence with talent to reach 3rd round of U.S. Open | Tulane | nola.com](https://bloximages.newyork1.vip.townnews.com/nola.com/content/tncms/assets/v3/editorial/5/0e/50ebc8d2-cabd-11e9-9027-d3e5ac56d899/5d686e23e4886.image.jpg?resize=357%2C500)
Ex- Tulane tennis star Dominik Koepfer mixes confidence with talent to reach 3rd round of U.S. Open | Tulane | nola.com
![Dominik KOEPFER (GER) gesture, gesture, Dominik KOEPFER (GER) vs. Daniil OSTAPENKOV (BLR) 6: 0, 6: 2, Dominik KOEPFER (GER) gesture, gesture, Dominik KOEPFER (GER) vs. Daniil OSTAPENKOV (BLR) 6: 0, 6: 2,](https://c8.alamy.com/comp/2BBFTHD/dominik-koepfer-ger-gesture-gesture-dominik-koepfer-ger-vs-daniil-ostapenkov-blr-6-0-6-2-on-07032020-tennis-davis-cup-qualifying-round-germany-ger-belarus-blr-from-0603-07032020-in-duesseldorfgermany-usage-worldwide-2BBFTHD.jpg)
Dominik KOEPFER (GER) gesture, gesture, Dominik KOEPFER (GER) vs. Daniil OSTAPENKOV (BLR) 6: 0, 6: 2,
![Carlos Alcaraz, of Spain, serves to Dominik Koepfer, of Germany, during the first round of the U.S. Open tennis championships, Tuesday, Aug. 29, 2023, in New York. (AP Photo/Frank Franklin II Stock Carlos Alcaraz, of Spain, serves to Dominik Koepfer, of Germany, during the first round of the U.S. Open tennis championships, Tuesday, Aug. 29, 2023, in New York. (AP Photo/Frank Franklin II Stock](https://c8.alamy.com/comp/2RMPGTT/carlos-alcaraz-of-spain-serves-to-dominik-koepfer-of-germany-during-the-first-round-of-the-us-open-tennis-championships-tuesday-aug-29-2023-in-new-york-ap-photofrank-franklin-ii-2RMPGTT.jpg)
Carlos Alcaraz, of Spain, serves to Dominik Koepfer, of Germany, during the first round of the U.S. Open tennis championships, Tuesday, Aug. 29, 2023, in New York. (AP Photo/Frank Franklin II Stock
![Carlos Alcaraz's US Open title defense begins with anticlimax as first-round opponent Dominik Koepfer retires after an hour due to an ankle injury he suffered in the first game | Daily Mail Carlos Alcaraz's US Open title defense begins with anticlimax as first-round opponent Dominik Koepfer retires after an hour due to an ankle injury he suffered in the first game | Daily Mail](https://i.dailymail.co.uk/1s/2023/08/30/03/74857609-12459569-image-a-4_1693362857402.jpg)
Carlos Alcaraz's US Open title defense begins with anticlimax as first-round opponent Dominik Koepfer retires after an hour due to an ankle injury he suffered in the first game | Daily Mail
![Halle, Germany. 15th June, 2021. Tennis: ATP Tour Singles, Men, 1st Round, Alexander Zverev, Germany - Dominik Halle, Germany. 15th June, 2021. Tennis: ATP Tour Singles, Men, 1st Round, Alexander Zverev, Germany - Dominik](https://c8.alamy.com/comp/2G3BMKD/halle-germany-15th-june-2021-tennis-atp-tour-singles-men-1st-round-alexander-zverev-germany-dominik-koepfer-germany-dominik-koepfer-reacts-after-a-rally-credit-friso-gentschdpaalamy-live-news-2G3BMKD.jpg)
Halle, Germany. 15th June, 2021. Tennis: ATP Tour Singles, Men, 1st Round, Alexander Zverev, Germany - Dominik
![Dominik Koepfer's Climb: From Mystery Injury To Centre Stage Against Carlos Alcaraz | ATP Tour | Tennis Dominik Koepfer's Climb: From Mystery Injury To Centre Stage Against Carlos Alcaraz | ATP Tour | Tennis](https://www.atptour.com/en/news/www.atptour.com/-/media/images/news/2023/08/28/20/00/koepfer-us-open-2023-feature.jpg)
Dominik Koepfer's Climb: From Mystery Injury To Centre Stage Against Carlos Alcaraz | ATP Tour | Tennis
![Dominik Koepfer (Germany), the winner of the Open Piemonte Challenger with Federico Gaio (Italy), 2nd place during the Tennis Internationals 2023 Piemonte Open Intesa San Paolo - Challenger 175 on May 20, Dominik Koepfer (Germany), the winner of the Open Piemonte Challenger with Federico Gaio (Italy), 2nd place during the Tennis Internationals 2023 Piemonte Open Intesa San Paolo - Challenger 175 on May 20,](https://c8.alamy.com/comp/2R2RWKE/dominik-koepfer-germany-the-winner-of-the-open-piemonte-challenger-with-federico-gaio-italy-2nd-place-during-the-tennis-internationals-2023-piemonte-open-intesa-san-paolo-challenger175-on-may-20-2023-at-the-circolo-della-stampa-sporting-in-turin-italy-photo-by-claudio-benedettolivemedia-2R2RWKE.jpg)
Dominik Koepfer (Germany), the winner of the Open Piemonte Challenger with Federico Gaio (Italy), 2nd place during the Tennis Internationals 2023 Piemonte Open Intesa San Paolo - Challenger 175 on May 20,
![From 6-4, 5-3 up to seven match points down, Dominic Koepfer stifles Andy Murray in Paris Masters rollercoaster From 6-4, 5-3 up to seven match points down, Dominic Koepfer stifles Andy Murray in Paris Masters rollercoaster](https://images.tennis.com/image/private/t_q-best/v1635806256/tenniscom-prd/fkiqcz0onwzegctpsozb.jpg)
From 6-4, 5-3 up to seven match points down, Dominic Koepfer stifles Andy Murray in Paris Masters rollercoaster
![Dominik Koepfer of Germany in action during the TK Sparta Prague Open 2023 ATP Challenger tennis..., Stock Photo, Picture And Rights Managed Image. Pic. CKP-F202305130010901 | agefotostock Dominik Koepfer of Germany in action during the TK Sparta Prague Open 2023 ATP Challenger tennis..., Stock Photo, Picture And Rights Managed Image. Pic. CKP-F202305130010901 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/dfbeabe8557b7854936b95be202c17ed/ckp-f202305130010901.jpg)
Dominik Koepfer of Germany in action during the TK Sparta Prague Open 2023 ATP Challenger tennis..., Stock Photo, Picture And Rights Managed Image. Pic. CKP-F202305130010901 | agefotostock
![Dominik Koepfer of Germany returns a ball in his first round men's match against Mackenzie McDonald of the U.S., at the Miami Open tennis tournament, Wednesday, March 23, 2022, in Miami Gardens, Dominik Koepfer of Germany returns a ball in his first round men's match against Mackenzie McDonald of the U.S., at the Miami Open tennis tournament, Wednesday, March 23, 2022, in Miami Gardens,](https://c8.alamy.com/comp/2MBW9JN/dominik-koepfer-of-germany-returns-a-ball-in-his-first-round-mens-match-against-mackenzie-mcdonald-of-the-us-at-the-miami-open-tennis-tournament-wednesday-march-23-2022-in-miami-gardens-fla-ap-photorebecca-blackwell-2MBW9JN.jpg)