01/By surface
each with its own count, at equal weight
Hard
0-2
A. leads 2-0 in 2 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
0-1
A. leads 1-0 in 1 meeting on grass
02/Every meeting
3 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, D. first |
|---|---|---|---|---|---|---|
| Jan 16, 2024 | Australian OpenGrand Slam, best of 5 | hard | 1st round | Zverev A. | 4-6, 6-3, 7-6, 6-3 | 62 v 6 |
| Jun 15, 2021 | Halle OpenATP500 | grass | 1st round | Zverev A. | 6-4, 3-6, 6-3 | 53 v 6 |
| Mar 20, 2021 | Abierto MexicanoATP500 | hard | semifinal | Zverev A. | 6-4, 7-6 | 71 v 7 |
A record, never a share of meetings. Main-draw singles since 2013; a meeting ended by retirement is counted with the sets that were played and marked; a walkover is listed and counted in neither column. Koepfer D. and Zverev A. each carry the table against every opponent faced.