01/By surface
each with its own count, at equal weight
Hard
1-0
D. leads 1-0 in 1 meeting on hard
Clay
0-1
O. leads 1-0 in 1 meeting 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 |
|---|---|---|---|---|---|---|
| Apr 1, 2025 | Grand Prix Hassan IIATP250 | clay | 1st round | Virtanen O. | 6-2, 4-6, 7-6 | 83 v 135 |
| Feb 12, 2025 | Open 13ATP250 | hard | 2nd round | Altmaier D. | 6-4, 6-3 | 80 v 98 |
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 Virtanen O. each carry the table against every opponent faced.