01/By surface
each with its own count, at equal weight
Hard
4-0
J. leads 4-0 in 4 meetings on hard
Clay
1-0
J. leads 1-0 in 1 meeting on clay
Grass
1-0
J. leads 1-0 in 1 meeting on grass
02/Every meeting
6 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, J. first |
|---|---|---|---|---|---|---|
| Apr 19, 2025 | Porsche Tennis Grand PrixWTA500 | clay | quarterfinal | Ostapenko J. | 6-3, 3-6, 6-2 | 24 v 2 |
| Feb 14, 2025 | Qatar OpenWTA1000 | hard | semifinal | Ostapenko J. | 6-3, 6-1 | 37 v 2 |
| Sep 4, 2023 | US OpenGrand Slam | hard | 4th round | Ostapenko J. | 3-6, 6-3, 6-1 | 21 v 1 |
| Feb 16, 2022 | Dubai Duty Free Tennis ChampionshipsWTA500 | hard | 2nd round | Ostapenko J. | 4-6, 6-1, 7-6 | 21 v 9 |
| Oct 12, 2021 | BNP Paribas OpenWTA1000 | hard | 4th round | Ostapenko J. | 6-4, 6-3 | 29 v 4 |
| Jun 18, 2019 | Birmingham ClassicPremier | grass | 1st round | Ostapenko J. | 6-0, 6-2 | 37 v 65 |
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. Ostapenko J. and Swiatek I. each carry the table against every opponent faced.