Zuzana Zalabska defeated Katerina Vankova 6-4 7-6 in the Antalya 10K round of 16 on clay. The upset overturned the form book — Katerina Vankova came in leading the head-to-head 2–0. Zuzana Zalabska claimed a first win over Katerina Vankova in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-07-13 | Olomouc $50K | R32 | clay | Katerina Vankova | 6-2 6-2 |
| 2006-05-29 | Stare Splavy 10K | F | clay | Katerina Vankova | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.