Fernanda Brito defeated Maria Constanza De Las Mercedes Vega 1-6 7-5 7-5 in the Rosario 10K qualifying round on clay. Fernanda Brito extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-07-27 | Buenos Aires $10K | QF | clay | Fernanda Brito | 3-6 5-3 |
| 2014-10-20 | Lima 10K | QF | clay | Maria Constanza De Las Mercedes Vega | 6-1 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.