Aleksandra Karamanoleva defeated Ana Bianca Mihaila 3-6 6-1 6-3 in the Varna 10K round of 32 on clay. The upset overturned the form book — Ana Bianca Mihaila came in leading the head-to-head 1–0. Aleksandra Karamanoleva claimed a first win over Ana Bianca Mihaila in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-10-07 | Ruse 10K | R32 | clay | Ana Bianca Mihaila | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.