Gabriel Alejandro Hidalgo defeated Alejandro Poberaj 2-6 6-4 7-5 in the Argentina F19 round of 32 on clay. The upset overturned the form book — Alejandro Poberaj came in leading the head-to-head 2–0, but Gabriel Alejandro Hidalgo had been the form player, winning 5 of their last 10 on clay. Gabriel Alejandro Hidalgo claimed a first win over Alejandro Poberaj in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-06-25 | Argentina F15 | R32 | clay | Alejandro Poberaj | 6-3 6-1 |
| 2012-04-02 | Argentina F6 | R32 | clay | Alejandro Poberaj | 6-1 4-6 5-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.