| Challenger Binghamton | 07/25 15:40 | 25 | [336] Dominik Koepfer v Andrew Whittington [228] | 6-4,5-7,6-2 | |
| ITF USA F24 | 07/22 17:00 | 29 | [335] Dominik Koepfer v Jose Statham [317] | 6-7,6-2,7-5 | |
| ITF USA F24 | 07/21 14:00 | 28 | Ricardo Rodriguez v Dominik Koepfer | 0-6,3-6 | |
| ITF USA F24 | 07/20 17:00 | 27 | Dominik Koepfer v Jeffrey Schorsch | 6-2,6-2 | |
| ITF USA F24 | 07/19 15:00 | 26 | Dominik Koepfer v Alexios Halebian | 6-4,6-2 | |
| ITF USA F24 | 07/18 20:00 | 25 | Dominik Koepfer v Martin Redlicki | 6-3,2-6,6-3 | |
| Challenger Winnetka | 07/13 16:00 | 27 | [184] Ramkumar Ramanathan v Dominik Koepfer [354] | 6-4,6-3 | |
| Challenger Winnetka | 07/12 15:30 | 26 | Logan Smith v Dominik Koepfer | 2-6,2-6 | |
| Challenger Winnetka | 07/10 18:10 | 25 | [354] Dominik Koepfer v Marco Chiudinelli [183] | 3-6,6-3,6-0 | |
| ITF USA F21 | 06/28 18:30 | 25 | Dominik Koepfer v Alexandru Gozun | 4-6,3-6 | |
| ITF USA F19 | 06/20 14:00 | 25 | [348] Dominik Koepfer v Eric Quigley [409] | 6-4,1-6,4-6 | |
| ITF USA F17 | 06/13 15:15 | 25 | Jesse Witten v Dominik Koepfer | 6-4,6-4 | |
| Challenger Vicenza Qual | 05/28 11:30 | 46 | [351] Dominik Koepfer v Jose Hernandez-Fernandez [256] | 2-6,1-6 | |
| Challenger Vicenza Qual | 05/27 13:05 | 45 | Dominik Koepfer v Julian Ocleppo | 6-2,6-0 | |
| Challenger Mestre Qual | 05/21 11:20 | 46 | Bernabe Z Miralles v Dominik Koepfer | 7-5,6-4 | |
| Challenger Mestre Qual | 05/20 16:05 | 45 | Flavio Cipolla v Dominik Koepfer | 6-2,5-7,6-7 | |
| Challenger Heilbronn | 05/18 17:30 | 26 | [377] Dominik Koepfer v Lorenzo Giustino [186] | 6-7,6-1,1-6 | |
| Challenger Heilbronn | 05/16 14:20 | 25 | [91] Nicolas Kicker v Dominik Koepfer [377] | 2-6,6-3,1-6 | |
| Challenger Heilbronn Qual | 05/15 10:00 | 54 | [377] Dominik Koepfer v Sebastian Fanselow [337] | 7-6,6-4 | |
| Challenger Heilbronn Qual | 05/14 09:00 | 46 | [228] Ricardo Ojeda Lara v Dominik Koepfer [374] | 3-6,4-6 | |
| Challenger Heilbronn Qual | 05/13 09:25 | 45 | Dominik Koepfer v Roberto Marcora | 6-0,6-2 | |
| Challenger Savannah Qual | 05/01 15:30 | 54 | [374] Dominik Koepfer v Gonzalo Escobar [211] | 6-1,3-6,4-6 | |
| Challenger Savannah Qual | 04/30 15:20 | 46 | [395] Dominik Koepfer v Luke Bambridge [188] | 6-0,6-3 | |
| Challenger Tallahassee | 04/26 15:00 | 26 | [395] Dominik Koepfer v Bradley Klahn [478] | 5-7,1-6 | |
| Challenger Tallahassee | 04/25 14:00 | 25 | [243] Andre Ghem v Dominik Koepfer [395] | 1-6,1-6 | |
| Challenger Tallahassee Qual | 04/24 14:00 | 54 | [261] Sekou Bangoura v Dominik Koepfer [395] | 4-6,6-7 | |
| Challenger Tallahassee Qual | 04/23 14:00 | 46 | [185] Facundo Arguello v Dominik Koepfer [399] | 7-5,4-6,5-7 | |
| Challenger Tallahassee Qual | 04/22 16:00 | 45 | [424] Mikelis Libietis v Dominik Koepfer [399] | 6-2,2-6,2-6 | |
| ITF USA F14 | 04/20 16:45 | 26 | Dominik Koepfer v Thales Turini | 0-6,6-7 | |
| ITF USA F14 | 04/19 17:30 | 25 | Dominik Koepfer v Alex Blumenberg | 6-2,6-0 |
Wikipedia - Dominik Koepfer
Dominik Koepfer (born 29 April 1994), also spelled Köpfer, 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.