Katerina Vankova defeated Sofiya Kovalets 6-1 6-0 in the Piestany 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 |
|---|---|---|---|---|---|
| 2009-10-19 | Antalya-Belek 10K | QF | clay | Sofiya Kovalets | 7-5 6-4 |
| 2009-10-12 | Antalya-Belek 10K | R32 | clay | Katerina Vankova | 6-2 6-3 |
| 2009-07-20 | Piestany 10K | R32 | clay | Katerina Vankova | 6-0 6-1 |
Averages over each player's completed matches in the selected window (18 vs 5). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About