Karolina Kosinska defeated Michaela Pochabova 6-1 6-3 in the Bratislava 25K round of 16 on clay. The upset overturned the form book — Michaela Pochabova came in leading the head-to-head 2–0. Karolina Kosinska claimed a first win over Michaela Pochabova in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-08-09 | Trnava 25K | R16 | clay | Michaela Pochabova | 7-5 6-0 |
| 2009-09-14 | Naples 25K | SF | clay | Michaela Pochabova | 5-7 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.