01/By surface
each with its own count, at equal weight
Hard
1-0
C. leads 1-0 in 1 meeting on hard
Clay
0-1
K. 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 |
|---|---|---|---|---|---|---|
| Oct 19, 2017 | BGL BNP Paribas Luxembourg OpenInternational | hard | quarterfinal | Witthoeft C. | 6-1, 6-2 | 73 v 30 |
| Jul 25, 2017 | Ericsson OpenInternational | clay | 1st round | Bertens K. | 6-1, 6-4 | 62 v 26 |
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. Witthoeft C. and Bertens K. each carry the table against every opponent faced.