Julieta Lara Estable defeated Carolina Zeballos 6-2 6-2 in the Buenos Aires 10K round of 16 on clay. The upset overturned the form book — Carolina Zeballos came in leading the head-to-head 1–0, but Julieta Lara Estable had been the form player, winning 6 of their last 10 on clay. Julieta Lara Estable claimed a first win over Carolina Zeballos in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-10-21 | Marcos Juarez 10K | F | clay | Carolina Zeballos | 4-6 7-6(3) 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.