Gabriel Alejandro Hidalgo defeated Andrea Collarini 6-3 6-4 in the Argentina F5 round of 32 on clay. The upset overturned the form book — Andrea Collarini came in leading the head-to-head 5–0. Gabriel Alejandro Hidalgo claimed a first win over Andrea Collarini in six meetings, narrowing the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-08-24 | Argentina F10 | R32 | clay | Andrea Collarini | 6-4 3-6 7-6(6) |
| 2014-01-27 | Argentina F1 | SF | clay | Andrea Collarini | 6-3 7-5 |
| 2012-11-19 | Argentina F26 | R16 | clay | Andrea Collarini | 6-1 4-6 6-3 |
| 2012-08-13 | Argentina F20 | R32 | clay | Andrea Collarini | 6-1 6-4 |
| 2012-06-04 | Argentina F11 | R32 | clay | Andrea Collarini | 6-2 6-1 |
Averages over each player's completed matches in the selected window (132 vs 199). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About