01/By surface
each with its own count, at equal weight
Hard
1-0
C. leads 1-0 in 1 meeting on hard
Clay
2-0
C. leads 2-0 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, C. first |
|---|---|---|---|---|---|---|
| Aug 26, 2025 | US OpenGrand Slam, best of 5 | hard | 1st round | Ruud C. | 6-1, 6-2, 7-6 | 12 v 140 |
| May 22, 2024 | Geneva OpenATP250 | clay | 2nd round | Ruud C. | 4-6, 6-2, 6-2 | 7 v 45 |
| Jul 21, 2023 | Nordea OpenATP250 | clay | quarterfinal | Ruud C. | 6-3, 6-4 | 4 v 58 |
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. Ruud C. and Ofner S. each carry the table against every opponent faced.