01/By surface
each with its own count, at equal weight
Hard
0-2
C. leads 2-0 in 2 meetings on hard
Clay
0-1
C. leads 1-0 in 1 meeting 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, Q. first |
|---|---|---|---|---|---|---|
| Oct 22, 2025 | Swiss IndoorsATP500 | hard | 1st round | Ruud C. | 6-1, 7-6 | 78 v 11 |
| Apr 8, 2023 | Estoril OpenATP250 | clay | semifinal | Ruud C. | 6-4, 3-6, 7-6 | 80 v 5 |
| Jan 15, 2018 | Australian OpenGrand Slam, best of 5 | hard | 1st round | Ruud C. | 6-3, 3-6, 6-7, 7-5, 11-9 | 134 v 138 |
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. Halys Q. and Ruud C. each carry the table against every opponent faced.