Kerstin Peckl defeated Viktoriya Zheleva 6-3 6-3 in the Varna 10K q32 on clay. The upset overturned the form book — Viktoriya Zheleva came in leading the head-to-head 1–0, but Kerstin Peckl had been the form player, winning 1 of their last 6 on clay. Kerstin Peckl claimed a first win over Viktoriya Zheleva in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-10-07 | Ruse 10K | Q16 | clay | Viktoriya Zheleva | 6-2 7-6(4) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.