Mailen Auroux defeated Andrea Koch Benvenuto 6-0 6-3 in the Buenos Aires 10K semi-final on clay. The result followed the form book — Mailen Auroux came in leading the head-to-head 2–0. Mailen Auroux extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-09-28 | Juarez Chih 10K | QF | clay | Mailen Auroux | 6-4 6-0 |
| 2009-09-21 | Cd Obregon SON 10K | R32 | hard | Mailen Auroux | 6-4 7-5 |