Mailen Auroux defeated Tatiana Bua 6-4 2-6 6-1 in the Buenos Aires 10K semi-final on clay. The result followed the form book — Mailen Auroux came in leading the head-to-head 5–3. Mailen Auroux extended the head-to-head to 6–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-03-28 | Buenos Aires 25K | R16 | clay | Mailen Auroux | 6-1 6-2 |
| 2010-06-14 | Buenos Aires 10K | QF | clay | Mailen Auroux | 6-4 6-4 |
| 2009-11-09 | Itajai 10K | SF | clay | Tatiana Bua | 6-4 6-7(6) 7-6(3) |
| 2009-04-27 | Buenos Aires 10K | QF | clay | Mailen Auroux | 4-6 6-3 7-5 |
| 2007-11-26 | Santiago 10K | QF | clay | Tatiana Bua | 7-6(5) 3-6 6-4 |
| 2007-10-29 | Asuncion 10K | SF | clay | Tatiana Bua | 6-4 4-6 6-4 |
| 2007-10-22 | Itu 10K | R32 | clay | Mailen Auroux | 7-6(5) 2-6 6-3 |
| 2007-10-15 | Serra Negra 10K | F | clay | Mailen Auroux | 6-0 6-0 |