01/By surface
each with its own count, at equal weight
Hard
Never on hard
no meeting on this surface
Clay
2-1
K. leads 2-1 in 3 meetings on clay
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, K. first |
|---|---|---|---|---|---|---|
| May 8, 2019 | Mutua Madrid OpenPremier | clay | 3rd round | Bertens K. | 6-1, 6-2 | 7 v 13 |
| May 7, 2018 | Mutua Madrid OpenPremier | clay | 2nd round | Bertens K. | 6-1, 6-4 | 20 v 17 |
| May 11, 2017 | Mutua Madrid OpenPremier | clay | quarterfinal | Sevastova A. | 6-3, 6-3 | 19 v 22 |
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 Sevastova A. each carry the table against every opponent faced.