01/By surface
each with its own count, at equal weight
Hard
2-0
K. leads 2-0 in 2 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, K. first |
|---|---|---|---|---|---|---|
| Aug 9, 2021 | Canadian OpenWTA1000 | hard | 1st round | Siniakova K. | 6-1, 6-3 | 55 v 32 |
| Sep 30, 2019 | China OpenPremier | hard | 2nd round | Siniakova K. | 6-2, 6-1 | 47 v 73 |
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. Siniakova K. and Ostapenko J. each carry the table against every opponent faced.