J. Ostapenko leads the head-to-head 2-0 since 2018 against Z. Sonmez, over 2 matches.
| Surface | J. Ostapenko | Z. Sonmez |
|---|---|---|
| Grass | 1 | 0 |
| Other | 1 | 0 |
| Date | Winner | Score | Event |
|---|---|---|---|
| June 25, 2026 | J. Ostapenko | 2 - 0 | Eastbourne · Quarter-finals · grass |
| April 10, 2024 | J. Ostapenko | 2 - 1 | WTA Billie Jean King Cup - Group I |