Viktoriya Tomova defeated Diana Buzean 0-6 6-4 6-2 in the Mamaia 25K round of 16 on clay. The upset overturned the form book — Diana Buzean came in leading the head-to-head 1–0. Viktoriya Tomova claimed a first win over Diana Buzean in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-10-24 | Antalya 10K | QF | clay | Diana Buzean | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.