
Maria Sakkari defeated Jelena Ostapenko 6-1 3-6 6-2 in the Australian Open round of 128 on hard. The upset overturned the form book — Jelena Ostapenko came in ranked #31, defending last year's round of 32. Maria Sakkari extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-09-20 | Ostrava | R16 | hard | Maria Sakkari | 6-4 6-2 |
| 2017-04-03 | Charleston | R32 | clay | Jelena Ostapenko | 6-2 4-6 6-2 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Sakkari M.: 8 days rest · 3 matches (14d) · Ostapenko J.: 9 days rest · 3 matches (14d). Higher means fresher. About