Irena Pavlovic defeated Leticia Costas 6-4 6-3 in the Prerov 25K round of 32 on hard. The upset overturned the form book — Leticia Costas came in leading the head-to-head 2–0. Irena Pavlovic claimed a first win over Leticia Costas in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-06-13 | Montpellier 25K | SF | clay | Leticia Costas | 6-3 6-7(3) 6-2 |
| 2009-07-20 | Valladolid 25K | R32 | hard | Leticia Costas | 7-6(2) 1-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.