Katerina Vankova defeated Sandra Martinovic 7-5 6-3 in the Vienna 10K semi-final on clay. The result followed the form book — Katerina Vankova came in leading the head-to-head 2–1. Katerina Vankova extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-08-08 | Innsbruck 10K | R32 | clay | Katerina Vankova | 1-6 6-3 6-0 |
| 2011-07-25 | Bad Waltersdorf 10K | R16 | clay | Katerina Vankova | 6-2 6-1 |
| 2006-10-30 | Erding 10K | R16 | carpet | Sandra Martinovic | 4-6 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.