Fernanda Brito defeated Ana Clara Duarte 6-4 6-2 in the Sao Paulo 10K semi-final on clay. The upset overturned the form book — Ana Clara Duarte came in leading the head-to-head 2–0. Fernanda Brito claimed a first win over Ana Clara Duarte in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-06-04 | Santos 10K | F | clay | Ana Clara Duarte | 6-2 3-6 6-1 |
| 2009-04-27 | Buenos Aires 10K | R16 | clay | Ana Clara Duarte | 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.