01/By surface
each with its own count, at equal weight
Hard
1-1
Level 1-1 in 2 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
1-0
K. leads 1-0 in 1 meeting on grass
02/Every meeting
3 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, K. first |
|---|---|---|---|---|---|---|
| Aug 14, 2018 | Western & Southern Financial Group Women's OpenPremier | hard | 1st round | Bertens K. | 6-2, 6-0 | 17 v 24 |
| Mar 10, 2016 | BNP Paribas OpenPremier | hard | 1st round | Vandeweghe C. | 6-4, 6-4 | 110 v 38 |
| Jun 12, 2015 | Topshelf OpenInternational | grass | quarterfinal | Bertens K. | 6-4, 6-1 | 132 v 34 |
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 Vandeweghe C. each carry the table against every opponent faced.