Dia Evtimova defeated Borislava Botusharova 6-2 6-4 in the Burgas 10K semi-final on clay. The upset overturned the form book — Borislava Botusharova came in leading the head-to-head 1–0. Dia Evtimova claimed a first win over Borislava Botusharova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-09-23 | Varna 10K | SF | clay | Borislava Botusharova | 3-6 6-3 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.