01/By surface
each with its own count, at equal weight
Hard
1-0
D. leads 1-0 in 1 meeting on hard
Clay
1-1
Level 1-1 in 2 meetings on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
3 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, D. first |
|---|---|---|---|---|---|---|
| Jul 14, 2026 | Nordea OpenATP250 | clay | 1st round | Altmaier D. | 6-2, 7-5 | 60 v 107 |
| Nov 5, 2025 | Open de MoselleATP250 | hard | 2nd round | Altmaier D.ret. | 4-6, 6-0, 0-0 | 46 v 98 |
| Jul 23, 2024 | Generali OpenATP250 | clay | 1st round | Gaston H. | 6-4, 6-7, 6-4 | 71 v 91 |
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 Gaston H. each carry the table against every opponent faced.