Diana Sumova defeated Natalia Vajdova 6-4 3-6 6-4 in the Trnava $10K round of 32 on hard. The result followed the form book — Diana Sumova came in leading the head-to-head 1–0. Diana Sumova extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-07-20 | Bad Waltersdorf $10K | SF | clay | Diana Sumova | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.