Level, 1 wins each over 2 singles meetings since 2021. Last meeting on 16/08/2021 at Western & Southern Open - Cincinnati.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 16/08/2021 | Western & Southern Open - Cincinnati | Round 1 | hard | Koepfer | 7-6(2) 5-7 6-3 |
| 28/04/2021 | BMW Open - Munich | Round 2 | clay | Struff | 7-6(3) 6-7(0) 6-2 |
| hard | Struff 0 - 1 Koepfer |
| clay | Struff 1 - 0 Koepfer |
| 2021 | Struff 1 - 1 Koepfer |
178 wins, 147 losses since 2021 (54.8%).
Last matches: D V V D V
110 wins, 83 losses since 2021 (57.0%).
Last matches: D V V D V
Level, 1 wins each over 2 singles meetings since 2021.
On 16/08/2021, at Western & Southern Open - Cincinnati (Round 1): Dominik Koepfer won 7-6(2) 5-7 6-3.