Ana Clara Duarte defeated Estefania Donnet 6-2 3-6 6-2 in the Buenos Aires 25K round of 16 on clay. The result followed the form book — Ana Clara Duarte came in leading the head-to-head 2–0. Ana Clara Duarte extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-11-02 | Buenos Aires 10K | R16 | clay | Ana Clara Duarte | 6-2 6-2 |
| 2009-06-15 | Belem 25K | R32 | hard | Ana Clara Duarte | 7-5 6-4 |