01/By surface
each with its own count, at equal weight
Hard
Never on hard
no meeting on this surface
Clay
1-1
Level 1-1 in 2 meetings on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, D. first |
|---|---|---|---|---|---|---|
| May 6, 2026 | Internazionali BNL d'ItaliaMasters 1000 | clay | 1st round | Altmaier D. | 4-6, 7-6, 6-4 | 64 v 239 |
| Jul 28, 2023 | European OpenATP250 | clay | quarterfinal | Zhang Zh. | 6-4, 6-4 | 61 v 79 |
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. Altmaier D. and Zhang Zh. each carry the table against every opponent faced.