Zuzana Zalabska defeated Katerina Kramperova 6-3 3-6 7-5 in the Olomouc 50K q32 on clay. The upset overturned the form book — Katerina Kramperova came in leading the head-to-head 2–1, but Zuzana Zalabska had been the form player, winning 8 of their last 10 on clay. Zuzana Zalabska narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-07-13 | Olomouc $50K | Q32 | clay | Zuzana Zalabska | 7-6(3) 6-3 |
| 2014-10-13 | Antalya 10K | R16 | hard | Katerina Kramperova | 6-2 6-3 |
| 2012-08-06 | Piestany 10K | QF | clay | Katerina Kramperova | 6-4 5-7 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.