Karolina Kosinska defeated Magdalena Kiszczynska 4-6 7-5 6-1 in the Torun 25K final on clay. The upset overturned the form book — Magdalena Kiszczynska came in leading the head-to-head 2–1. Karolina Kosinska narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-06-08 | Szczecin 25K | R16 | clay | Karolina Kosinska | 6-2 6-3 |
| 2008-05-26 | Olecko 10K | SF | clay | Magdalena Kiszczynska | 6-0 6-3 |
| 2006-03-27 | RomeTiro a Volo 10K | R16 | clay | Magdalena Kiszczynska | 6-2 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.