01/By surface
each with its own count, at equal weight
Hard
2-2
Level 2-2 in 4 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
4 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, Ka. first |
|---|---|---|---|---|---|---|
| Jan 23, 2019 | Australian OpenGrand Slam | hard | quarterfinal | Pliskova Ka. | 6-4, 4-6, 7-5 | 8 v 16 |
| Sep 5, 2018 | US OpenGrand Slam | hard | quarterfinal | Williams S. | 6-4, 6-3 | 8 v 26 |
| Sep 9, 2016 | US OpenGrand Slam | hard | semifinal | Pliskova Ka. | 6-2, 7-6 | 11 v 1 |
| Jul 31, 2014 | Bank of the West ClassicPremier | hard | 2nd round | Williams S. | 7-5, 6-2 | 45 v 1 |
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. Pliskova Ka. and Williams S. each carry the table against every opponent faced.