Carla Beltrami defeated Estefania Donnet 6-0 6-4 in the Buenos Aires 10K qualifying round on clay. The upset overturned the form book — Estefania Donnet came in leading the head-to-head 1–0, but Carla Beltrami had been the form player, winning 5 of their last 5 on clay. Carla Beltrami claimed a first win over Estefania Donnet in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-06-01 | Villa Del DiqueCordoba 10K | R32 | clay | Estefania Donnet | 4-6 6-3 7-5 |