Polina Kudermetova defeated Zeynep Sonmez 6-1 6-2 in the W25 Istanbul round of 16 on hard. The upset overturned the form book — Zeynep Sonmez came in ranked #48, leading the head-to-head 2–0. Polina Kudermetova claimed a first win over Zeynep Sonmez in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-03-07 | W75 Trnava 1 | R16 | hard | Zeynep Sonmez | 6-4 6-2 |
| 2019-12-12 | W15 Antalya 32 | R32 | hard | Zeynep Sonmez | 6-2 6-1 |
Averages over each player's completed matches in the selected window (144 vs 151). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Kudermetova P.: 1 day rest · 2 matches, 56 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 hard field, opponent-adjusted over 52 weeks). About