Barbara Kostecka defeated Ania Hertel 5-7 7-5 6-4 in the W15 Grodzisk Mazowiecki final on clay. Barbara Kostecka extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-07-13 | W15 Grodzisk Mazowiecki 1 | F | clay | Barbara Kostecka | 5-7 7-5 6-4 |
Averages over each player's completed matches in the selected window (15 vs 159). 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