01/By surface
each with its own count, at equal weight
Hard
2-5
J. leads 5-2 in 7 meetings on hard
Clay
3-1
Ka. leads 3-1 in 4 meetings on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
11 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, Ka. first |
|---|---|---|---|---|---|---|
| Jan 4, 2024 | Brisbane InternationalWTA500 | hard | 3rd round | Ostapenko J. | 6-2, 4-6, 6-3 | 39 v 12 |
| Aug 15, 2023 | Western & Southern Financial Group Women's OpenWTA1000 | hard | 1st round | Ostapenko J. | 1-6, 6-3, 6-4 | 25 v 20 |
| Jan 3, 2023 | Adelaide International 1WTA500 | hard | 1st round | Ostapenko J. | 6-1, 6-3 | 31 v 18 |
| May 14, 2021 | Internazionali BNL d'ItaliaWTA1000 | clay | quarterfinal | Pliskova Ka. | 4-6, 7-5, 7-6 | 9 v 49 |
| Apr 22, 2021 | Porsche Tennis Grand PrixWTA500 | clay | 2nd round | Pliskova Ka. | 6-7, 6-4, 6-3 | 9 v 52 |
| Oct 1, 2020 | French OpenGrand Slam | clay | 2nd round | Ostapenko J. | 6-4, 6-2 | 4 v 43 |
| Sep 28, 2019 | China OpenPremier | hard | 1st round | Ostapenko J. | 7-5, 3-6, 7-5 | 2 v 73 |
| Apr 27, 2018 | Porsche Tennis Grand PrixPremier | clay | quarterfinal | Pliskova Ka. | 5-7, 7-5, 6-4 | 6 v 5 |
| Oct 26, 2017 | BNP Paribas WTA FinalsTour Championships | hard | round robin | Ostapenko J. | 6-3, 6-1 | 3 v 7 |
| Jan 21, 2017 | Australian OpenGrand Slam | hard | 3rd round | Pliskova Ka. | 4-6, 6-0, 10-8 | 5 v 38 |
| Aug 16, 2016 | Western & Southern Financial Group Women's OpenPremier | hard | 2nd round | Pliskova Ka. | 6-4, 6-1 | 17 v 39 |
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 Ostapenko J. each carry the table against every opponent faced.