Leticia Costas defeated Cagla Buyukakcay 6-3 4-6 6-2 in the Valladolid 25K round of 32 on hard. The upset overturned the form book — Cagla Buyukakcay came in leading the head-to-head 1–0. Leticia Costas claimed a first win over Cagla Buyukakcay in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-21 | Getxo 25K | QF | clay | Cagla Buyukakcay | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.