Tatiana Bua defeated Fernanda Brito 6-1 7-5 in the Santiago 10K round of 16 on clay. The upset overturned the form book — Fernanda Brito came in leading the head-to-head 1–0. Tatiana Bua claimed a first win over Fernanda Brito in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-05-25 | Cordoba 10K | R32 | clay | Fernanda Brito | 5-7 6-1 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.