Vanesa Furlanetto defeated Roxane Vaisemberg 6-3 6-3 in the Buenos Aires 10K round of 32 on clay. The upset overturned the form book — Roxane Vaisemberg came in leading the head-to-head 3–0. Vanesa Furlanetto claimed a first win over Roxane Vaisemberg in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-12-05 | Buenos Aires 25K | R32 | clay | Roxane Vaisemberg | 6-3 7-6(7) |
| 2011-05-23 | Itaparica 25K | QF | hard | Roxane Vaisemberg | 6-1 6-4 |
| 2010-10-11 | Sao Paulo 10K | QF | clay | Roxane Vaisemberg | 6-4 3-6 6-3 |