Liana Gabriela Ungur defeated Karolina Kosinska 6-3 7-5 in the Sarajevo 25K round of 16 on clay. Liana Gabriela Ungur extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-04-12 | Cairo 25K | R32 | clay | Liana Gabriela Ungur | 7-6(3) 2-6 6-2 |
| 2009-09-14 | Naples 25K | R32 | clay | Karolina Kosinska | 7-6(4) 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.