01/By surface
each with its own count, at equal weight
Hard
0-1
D. leads 1-0 in 1 meeting on hard
Clay
Never on clay
no meeting on this surface
Grass
0-1
D. leads 1-0 in 1 meeting on grass
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, A. first |
|---|---|---|---|---|---|---|
| Jun 23, 2026 | Eastbourne InternationalATP250 | grass | 1st round | Altmaier D. | 6-4, 7-6 | 70 v 59 |
| Feb 5, 2025 | ABN AMRO World Tennis TournamentATP500 | hard | 1st round | Altmaier D. | 1-6, 6-4, 6-3 | 75 v 93 |
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. Kovacevic A. and Altmaier D. each carry the table against every opponent faced.