Mailen Auroux defeated Natalia Cheng 6-0 6-3 in the Barueri 10K round of 32 on hard. 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 |
|---|---|---|---|---|---|
| 2009-07-27 | Campos Do Jordoa 25K | R32 | hard | Mailen Auroux | 6-2 6-3 |
| 2008-07-07 | Bogota 25K | R32 | clay | Mailen Auroux | 6-3 6-3 |