01/By surface
each with its own count, at equal weight
Hard
0-2
De Zandschulp B. leads 2-0 in 2 meetings on hard
Clay
3-1
C. leads 3-1 in 4 meetings on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
6 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, C. first |
|---|---|---|---|---|---|---|
| Apr 4, 2024 | Estoril OpenATP250 | clay | 2nd round | Ruud C. | 6-1, 6-2 | 8 v 87 |
| Apr 12, 2023 | Monte Carlo MastersMasters 1000 | clay | 2nd round | Ruud C. | 7-5, 7-6 | 4 v 31 |
| Mar 27, 2023 | Miami OpenMasters 1000 | hard | 3rd round | Van De Zandschulp B. | 3-6, 6-4, 6-4 | 4 v 32 |
| May 10, 2022 | Internazionali BNL d'ItaliaMasters 1000 | clay | 2nd round | Ruud C. | 6-7, 6-2, 6-4 | 10 v 32 |
| Apr 29, 2022 | BMW OpenATP250 | clay | quarterfinal | Van De Zandschulp B. | 7-5, 6-1 | 7 v 40 |
| Sep 1, 2021 | US OpenGrand Slam, best of 5 | hard | 2nd round | Van De Zandschulp B. | 3-6, 6-4, 6-3, 6-4 | 11 v 117 |
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 Van De Zandschulp B. each carry the table against every opponent faced.