
Dayana Yastremska defeated Jelena Ostapenko 3-6 7-5 7-5 in the Birmingham round of 16 on grass. The upset overturned the form book — Jelena Ostapenko came in ranked #31, leading the head-to-head 3–0, defending last year's round of 16. Dayana Yastremska claimed a first win over Jelena Ostapenko in four meetings, narrowing the head-to-head to 3–1.
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-03-17 | Miami | R64 | hard | Jelena Ostapenko | 6-4 6-4 |
| 2025-04-14 | Stuttgart | R32 | clay | Jelena Ostapenko | 6-3 3-0 RET |
| 2023-01-16 | Australian Open | R128 | hard | Jelena Ostapenko | 6-4 6-2 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.