

Clara Tauson defeated Jelena Ostapenko 7-6 4-6 6-3 in the Roland Garros round of 64 on clay. The upset overturned the form book — Jelena Ostapenko came in ranked #30, defending last year's round of 64. Clara Tauson extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-01-29 | Linz | R16 | hard | Jelena Ostapenko | 3-6 6-4 7-6 |
| 2021-09-13 | Luxembourg | F | hard | Clara Tauson | 6-3 4-6 6-4 |
Averages over each player's completed matches in the selected window (148 vs 119). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Tauson C.: 1 day rest · 2 matches, 53 games (7d) · Ostapenko J.: 3 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