Estefania Craciun defeated Luciana Sarmenti 6-2 4-6 7-6 in the Buenos Aires 10K round of 16 on clay. The upset overturned the form book — Luciana Sarmenti came in leading the head-to-head 1–0, but Estefania Craciun had been the form player, winning 5 of their last 5 on clay. Estefania Craciun claimed a first win over Luciana Sarmenti in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-08-25 | Buenos Aires 10K | R16 | clay | Luciana Sarmenti | 5-7 6-1 6-2 |