01/By surface
each with its own count, at equal weight
Hard
2-3
J. leads 3-2 in 5 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
5 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, J. first |
|---|---|---|---|---|---|---|
| Mar 9, 2026 | BNP Paribas OpenWTA1000 | hard | 3rd round | Pegula J. | 4-6, 6-3, 6-2 | 26 v 5 |
| Oct 4, 2023 | China OpenPremier | hard | 3rd round | Ostapenko J. | 6-4, 6-2 | 17 v 4 |
| Feb 15, 2023 | Qatar OpenWTA500 | hard | 2nd round | Pegula J. | 6-2, 2-6, 7-5 | 14 v 4 |
| Mar 3, 2021 | Qatar Total OpenWTA500 | hard | 2nd round | Pegula J. | 6-2, 7-5 | 51 v 44 |
| Sep 16, 2015 | Coupe Banque NationaleInternational | hard | 2nd round | Ostapenko J. | 3-6, 6-2, 7-6 | 101 v 177 |
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 Pegula J. each carry the table against every opponent faced.