Carolina Zeballos defeated Fernanda Brito 6-4 3-6 6-3 in the Santiago 25K round of 32 on clay. The upset overturned the form book — Fernanda Brito came in leading the head-to-head 4–2. Carolina Zeballos narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-12-02 | Sao Jose Dos Campos 10K | R32 | clay | Fernanda Brito | 6-2 1-6 6-2 |
| 2013-09-09 | Buenos Aires 10K | SF | clay | Carolina Zeballos | 7-6(6) 6-2 |
| 2012-10-08 | Sao Paulo 10K | F | clay | Fernanda Brito | 1-6 6-2 6-4 |
| 2012-07-23 | Sao Jose Do Rio Preto 25K | R16 | clay | Fernanda Brito | 6-3 6-3 |
| 2012-03-19 | Rancagua 10K | SF | clay | Carolina Zeballos | 7-5 6-1 |
| 2009-11-23 | Lima 10K | QF | clay | Fernanda Brito | 6-0 2-6 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.