Dominik Koepfer
Dominik Koepfer is a German tennis player. He achieved a career high ATP singles ranking of world No. 83 in November 2019.
He played college tennis at Tulane University.
Tennis career
2017
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 2017 Columbus Challenger, partnering Denis Kudla.2018
Koepfer won his first match on the ATP Tour, again as a lucky loser at the Winston-Salem Open, defeating Tennys Sandgren.2019
By winning his first Challenger at the Ilkley Trophy Koepfer gained a wild card for the Wimbledon Championships. There, he won his first Grand Slam main draw match by defeating Filip Krajinović in the first round.He reached the fourth round of the US Open as a qualifier, where he lost to Daniil Medvedev in four sets.
ATP Challenger and ITF Futures finals
Singles: 8 (5–3)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Win | 1–0 | USA F32, Harlingen | Futures | Hard |  Luke Bambridge | 6–4, 6–4 | |
| Loss | 1–1 | USA F5, Weston | Futures | Clay |  Hugo Dellien | 2–6, 5–7 | |
| Win | 2–1 | USA F5, Orlando | Futures | Clay |  Tommy Paul | 4–6, 6–3, 7–5 | |
| Win | 3–1 | USA F24, Champaign | Futures | Hard |  Jose Statham | 6–7, 6–2, 7–5 | |
| Loss | 0–1 | 2018 Kunal Patel San Francisco Open – Singles| | San Francisco, USA | Challenger | Hard |  Jason Jung | 4–6, 6–2, 6–7 |
| Win | 4–1 | Canada F2, Sherbrooke | Futures | Hard | Michael Redlicki | 6–7, 7–5, 6–2 | |
| Win | 1–1 | 2019 Ilkley Trophy – Men's Singles| | Ilkley, Great Britain | Challenger | Grass |  Dennis Novak | 3–6, 6–3, 7–6 |
| Loss | 1–2 | 2019 Nordic Naturals Challenger – Singles| | Aptos, USA | Challenger | Hard | Steve Johnson | 4–6, 6–7 |
Doubles: 5 (2–3)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Win | 1–0 | USA F27, Champaign | Futures | Hard | Jared Hiltzik | Tim Kopinski Alex Lawson | 3–6, 6–3, | |
| Loss | 1–1 | USA F7, Orlando | Futures | Clay | Boris Arias | Connor Smith Rhyne Williams | 6–3, 3–6, | |
| Loss | 1–2 | USA F10, Bakersfield | Futures | Hard | Jared Hiltzik | Patrick Kawka Keegan Smith | 3–6, 6–3, | |
| Loss | 1–3 | USA F19, Winston-Salem | Futures | Hard |  Luis David Martínez | Christopher Eubanks Kevin King | 3–6, 4–6 | |
| Win | 1–0 | 2017 Columbus Challenger – Doubles| | Columbus, USA | Challenger | Hard | Denis Kudla | Luke Bambridge David O'Hare | 7–6, 7–6 |