Aleksandrina Naydenova defeated Leticia Costas 6-2 6-4 in the Saint Malo 25K round of 32 on clay. The result followed the form book — Aleksandrina Naydenova came in leading the head-to-head 1–0. Aleksandrina Naydenova extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-09-26 | Madrid 25K | R16 | clay | Aleksandrina Naydenova | 7-6(5) 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.