Catalina Pella defeated Mailen Auroux 6-2 6-4 in the Buenos Aires 25K round of 32 on clay. The upset overturned the form book — Mailen Auroux came in leading the head-to-head 2–1, but Catalina Pella had been the form player, winning 4 of their last 7 on clay. Catalina Pella narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-07-15 | Campos Do Jordao 25K | R32 | hard | Mailen Auroux | 6-3 6-2 |
| 2013-07-01 | Sao Jose Do Rio Preto 25K | R16 | clay | Mailen Auroux | 6-4 6-0 |
| 2011-02-07 | Buenos Aires 10K | F | clay | Catalina Pella | 6-4 2-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.