01/By surface
each with its own count, at equal weight
Hard
Never on hard
no meeting on this surface
Clay
2-0
C. leads 2-0 in 2 meetings 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 |
|---|---|---|---|---|---|---|
| Apr 8, 2019 | U.S. Men's Clay Court ChampionshipsATP250 | clay | 1st round | Ruud C. | 7-6, 6-4 | 95 v 76 |
| Mar 1, 2019 | Brasil OpenATP250 | clay | quarterfinal | Ruud C. | 6-1, 6-1 | 108 v 95 |
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 Dellien H. each carry the table against every opponent faced.