Carolina Zeballos defeated Luciana Sarmenti 6-7 7-6 6-0 in the Talca 10K round of 32 on clay. The upset overturned the form book — Luciana Sarmenti came in leading the head-to-head 2–0. Carolina Zeballos claimed a first win over Luciana Sarmenti in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-04-04 | Cordoba 10K | QF | clay | Luciana Sarmenti | 6-2 3-6 7-5 |
| 2010-11-08 | Asuncion 10K | QF | clay | Luciana Sarmenti | 6-4 6-0 |