01/By surface
each with its own count, at equal weight
Hard
1-0
E. leads 1-0 in 1 meeting on hard
Clay
0-2
Ka. leads 2-0 in 2 meetings on clay
Grass
0-2
Ka. leads 2-0 in 2 meetings on grass
02/Every meeting
5 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, E. first |
|---|---|---|---|---|---|---|
| Apr 26, 2026 | Mutua Madrid OpenWTA1000 | clay | 3rd round | Pliskova Ka. | 7-5, 2-6, 7-6 | 21 v 197 |
| Jun 26, 2023 | Eastbourne InternationalWTA500 | grass | 1st round | Pliskova Ka.ret. | 6-7, 6-3, 3-0 | 28 v 18 |
| Aug 17, 2022 | Western & Southern Financial Group Women's OpenWTA1000 | hard | 2nd round | Mertens E. | 7-6, 6-3 | 33 v 17 |
| Sep 19, 2020 | Internazionali BNL d'ItaliaPremier | clay | quarterfinal | Pliskova Ka. | 6-3, 3-6, 6-0 | 20 v 4 |
| Jun 26, 2019 | Eastbourne InternationalPremier | grass | 3rd round | Pliskova Ka. | 6-1, 6-2 | 21 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. Mertens E. and Pliskova Ka. each carry the table against every opponent faced.