Katerina Vankova defeated Jana Jandova 6-4 6-4 in the Vienna 10K round of 16 on clay. The result followed the form book — Katerina Vankova came in leading the head-to-head 2–0. Katerina Vankova extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-07-06 | Brussels 10K | R32 | clay | Katerina Vankova | 6-4 6-0 |
| 2008-10-06 | Espinho 10K | SF | clay | Katerina Vankova | 5-7 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.