01/By surface
each with its own count, at equal weight
Hard
0-2
K. leads 2-0 in 2 meetings on hard
Clay
Never on clay
no meeting on this surface
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, K. first |
|---|---|---|---|---|---|---|
| Sep 16, 2014 | Kia Korea OpenInternational | hard | 1st round | Koukalova K. | 6-0, 4-6, 6-4 | 82 v 37 |
| Aug 4, 2014 | Rogers CupPremier | hard | 1st round | Koukalova K. | 7-5, 7-6 | 79 v 35 |
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. Bertens K. and Koukalova K. each carry the table against every opponent faced.