Carolina Zeballos defeated Regina Clark 6-4 6-2 in the Buenos Aires 10K round of 32 on clay. The result followed the form book — Carolina Zeballos came in leading the head-to-head 1–0. Carolina Zeballos extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-09-17 | Villa Allende 10K | R16 | clay | Carolina Zeballos | 4-6 6-4 6-0 |