Eduarda Piai defeated Catalina Pella 7-6 1-6 6-3 in the San Carlos $10K semi-final on clay. The upset overturned the form book — Catalina Pella came in leading the head-to-head 4–0, but Eduarda Piai had been the form player, winning 7 of their last 10 on clay. Eduarda Piai claimed a first win over Catalina Pella in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-12-01 | Santiago 25K | R16 | clay | Catalina Pella | 6-3 6-2 |
| 2014-03-10 | Sao Paulo 25K | R32 | clay | Catalina Pella | 6-4 6-0 |
| 2012-09-10 | Buenos Aires 10K | R32 | clay | Catalina Pella | 6-4 6-1 |
| 2012-09-03 | Buenos Aires 10K | R32 | clay | Catalina Pella | 7-5 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.