01/By surface
each with its own count, at equal weight
Hard
3-0
C. leads 3-0 in 3 meetings on hard
Clay
Never on clay
no meeting on this surface
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 |
|---|---|---|---|---|---|---|
| Oct 26, 2021 | Vienna OpenATP500 | hard | 1st round | Ruud C. | 7-5, 7-6 | 8 v 31 |
| Oct 11, 2021 | BNP Paribas OpenMasters 1000 | hard | 3rd round | Ruud C. | 6-7, 6-4, 6-4 | 10 v 31 |
| Aug 20, 2019 | Winston-Salem Open at Wake Forest UniversityATP250 | hard | 2nd round | Ruud C.ret. | 6-1 | 54 v 99 |
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 Harris L. each carry the table against every opponent faced.