Jana Fett defeated Zeynep Sonmez 7-6 6-4 in the Bari 125 quarter-final on clay. The upset overturned the form book — Zeynep Sonmez came in ranked #50. Jana Fett extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-05-23 | Roland Garros | Q32 | clay | Zeynep Sonmez | 7-6(5) 6-3 |
| 2020-10-26 | W25 Istanbul | R32 | hard | Jana Fett | 6-2 6-1 |
Averages over each player's completed matches in the selected window (168 vs 200). ATP, WTA & Challenger.
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