01/By surface
each with its own count, at equal weight
Hard
1-0
C. leads 1-0 in 1 meeting on hard
Clay
1-0
C. 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, C. first |
|---|---|---|---|---|---|---|
| May 25, 2026 | French OpenGrand Slam, best of 5 | clay | 1st round | Ruud C. | 6-2, 7-6, 5-7, 0-6, 6-2 | 16 v 141 |
| Jul 29, 2025 | Canadian OpenMasters 1000 | hard | 2nd round | Ruud C. | 6-3, 6-3 | 13 v 82 |
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 Safiullin R. each carry the table against every opponent faced.