Iveta Gerlova defeated Katerina Vankova 6-4 4-6 6-4 in the Stare Splavy 10K qualifying round on clay. The upset overturned the form book — Katerina Vankova came in leading the head-to-head 2–0. Iveta Gerlova claimed a first win over Katerina Vankova in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-11-19 | Opole 25K | R32 | carpet | Katerina Vankova | 7-6(5) 5-7 6-2 |
| 2006-05-29 | Stare Splavy 10K | SF | clay | Katerina Vankova | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.