Daria Kasatkina defeated Zeynep Sonmez 6-4 6-4 in the Roland Garros round of 128 on clay. The upset overturned the form book — Zeynep Sonmez came in ranked #50, leading the head-to-head 1–0, defending last year's round of 128. Daria Kasatkina claimed a first win over Zeynep Sonmez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-08-13 | Cincinnati | R128 | hard | Zeynep Sonmez | 6-2 6-7 3-6 |
Averages over each player's completed matches in the selected window (33 vs 39). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Kasatkina D.: 12 days rest · 1 match (14d) · Sonmez Z.: 10 days rest · 2 matches (14d). 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