Florencia Molinero defeated Mailen Auroux 6-4 6-2 in the Buenos Aires 25K qualifying round on clay. The upset overturned the form book — Mailen Auroux came in leading the head-to-head 2–1, but Florencia Molinero had been the form player, winning 5 of their last 7 on clay. Florencia Molinero narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-02-06 | Riviera De Sao Lourenco 25K | QF | hard | Florencia Molinero | 6-4 6-2 |
| 2009-11-23 | Puebla 25K | R32 | hard | Mailen Auroux | 2-6 6-4 6-4 |
| 2007-04-30 | Buenos Aires 10K | SF | clay | Mailen Auroux | 4-6 7-6(3) 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.