Katarzyna Piter defeated Paula Kania 6-4 6-3 in the Zlin 25K qualifying round on clay. The upset overturned the form book — Paula Kania came in leading the head-to-head 2–1. Katarzyna Piter narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-02-16 | W60 Cairo | Q32 | hard | Katarzyna Piter | 6-7(4) 6-4 10-5 |
| 2013-07-01 | Torun 25K | F | clay | Paula Kania | 6-4 6-4 |
| 2011-10-10 | StCugat 25K | Q16 | clay | Paula Kania | 3-6 7-6(4) 6-4 |
Averages over each player's completed matches in the selected window (155 vs 97). 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