Olga Brozda defeated Natalia Kolat 7-6 7-5 in the Alkmaar 10K semi-final on clay. The upset overturned the form book — Natalia Kolat came in leading the head-to-head 2–1. Olga Brozda narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-04-15 | Sharm El Sheikh 10K | R32 | hard | Olga Brozda | 6-4 6-0 |
| 2013-04-08 | Sharm El Sheikh 10K | SF | hard | Natalia Kolat | 6-4 |
| 2004-08-30 | Warsaw 3 10K | F | clay | Natalia Kolat | 6-4 4-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.