Tatiana Bua defeated Carolina Zeballos 6-1 6-1 in the Buenos Aires 10K round of 32 on clay. The upset overturned the form book — Carolina Zeballos came in leading the head-to-head 1–0. Tatiana Bua claimed a first win over Carolina Zeballos in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-04-18 | Cordoba 10K | R16 | clay | Carolina Zeballos | 6-0 6-4 |