Katerina Bohmova defeated Karolina Kosinska 6-2 6-4 in the Opole 25K round of 16 on carpet. The upset overturned the form book — Karolina Kosinska came in leading the head-to-head 1–0. Katerina Bohmova claimed a first win over Karolina Kosinska in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-06-06 | Zagreb 75K | R32 | clay | Karolina Kosinska | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.