Maria Joao Koehler defeated Anastasiya Prenko 7-5 6-1 in the Antalya-Belek 10K round of 32 on clay. The result followed the form book — Maria Joao Koehler came in leading the head-to-head 1–0. Maria Joao Koehler extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-10-12 | Antalya-Belek 10K | R32 | clay | Maria Joao Koehler | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.