01/By surface
each with its own count, at equal weight
Hard
1-1
Level 1-1 in 2 meetings on hard
Clay
2-1
K. leads 2-1 in 3 meetings on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
5 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, K. first |
|---|---|---|---|---|---|---|
| Apr 26, 2019 | Porsche Tennis Grand PrixPremier | clay | quarterfinal | Bertens K. | 6-3, 6-4 | 7 v 5 |
| Oct 22, 2018 | BNP Paribas WTA FinalsTour Championships | hard | round robin | Bertens K. | 1-6, 6-3, 6-4 | 9 v 2 |
| Jun 2, 2018 | French OpenGrand Slam | clay | 3rd round | Kerber A. | 7-6, 7-6 | 22 v 12 |
| May 24, 2016 | French OpenGrand Slam | clay | 1st round | Bertens K. | 6-2, 3-6, 6-3 | 58 v 3 |
| Mar 27, 2016 | Sony Ericsson OpenPremier | hard | 3rd round | Kerber A.ret. | 1-6, 6-2, 3-0 | 108 v 3 |
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 Kerber A. each carry the table against every opponent faced.