Kiki Bertens defeated Jelena Ostapenko 6-4 6-3 in the Madrid round of 32 on clay. The upset overturned the form book — Jelena Ostapenko came in leading the head-to-head 3–1, defending last year's round of 64. Kiki Bertens narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-03-01 | Doha | R32 | hard | Jelena Ostapenko | 6-0 6-2 |
| 2020-09-21 | Strasbourg | R16 | clay | Jelena Ostapenko | 2-6 6-4 4-2 |
| 2016-06-27 | Wimbledon | R128 | grass | Kiki Bertens | 6-3 6-2 |
| 2015-07-27 | Sobota Rokietnica $75K | SF | clay | Jelena Ostapenko | 6-3 2-6 6-3 |
Averages over each player's completed matches in the selected window (110 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Ostapenko J.: 5 days rest · 1 match, 16 games (7d). Higher means fresher. About
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 clay field, opponent-adjusted over 52 weeks). About