Karolina Kosinska defeated Liana Gabriela Ungur 7-6 6-4 in the Naples 25K round of 32 on clay. The upset overturned the form book — Liana Gabriela Ungur came in leading the head-to-head 2–0. Karolina Kosinska claimed a first win over Liana Gabriela Ungur in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-05-31 | Sarajevo 25K | R16 | clay | Liana Gabriela Ungur | 6-3 7-5 |
| 2010-04-12 | Cairo 25K | R32 | clay | Liana Gabriela Ungur | 7-6(3) 2-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.