Luciana Sarmenti defeated Carla Lucero 6-2 6-1 in the Cordoba 10K round of 16 on clay. The upset overturned the form book — Carla Lucero came in leading the head-to-head 3–0. Luciana Sarmenti claimed a first win over Carla Lucero in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-11-30 | Buenos Aires 25K | R32 | clay | Carla Lucero | 1-6 6-3 7-5 |
| 2009-11-16 | Asuncion 10K | R32 | clay | Carla Lucero | 6-2 6-1 |
| 2009-04-20 | Buenos Aires 10K | R16 | clay | Carla Lucero | 6-3 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.