Tatiana Bua defeated Luciana Sarmenti 3-6 6-4 6-2 in the Buenos Aires 10K round of 16 on clay. Tatiana Bua extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-04-09 | Villa Del Dique 10K | QF | clay | Luciana Sarmenti | 6-4 1-6 6-3 |
| 2010-11-01 | Carilo 10K | QF | clay | Tatiana Bua | 6-3 6-0 |
| 2010-06-07 | Cordoba 10K | R32 | clay | Luciana Sarmenti | 6-3 6-2 |
| 2008-11-24 | Buenos Aires 10K | R32 | clay | Tatiana Bua | 7-6(2) 6-3 |