Hulya Esen defeated Nikol Hristova 7-5 6-2 in the Antalya 10K round of 16 on clay. The upset overturned the form book — Nikol Hristova came in leading the head-to-head 1–0. Hulya Esen claimed a first win over Nikol Hristova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-10-04 | Dobrich 10K | R16 | clay | Nikol Hristova | 6-1 1-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.