Gaston Arturo Grimolizzi defeated Gonzalo Villanueva 7-5 7-6 in the Argentina F17 round of 16 on clay. The upset overturned the form book — Gonzalo Villanueva came in leading the head-to-head 2–0. Gaston Arturo Grimolizzi claimed a first win over Gonzalo Villanueva in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-10-24 | Argentina F11 | R16 | clay | Gonzalo Villanueva | 4-6 6-3 6-2 |
| 2016-06-27 | Colombia F3 | QF | clay | Gonzalo Villanueva | 6-0 7-6(5) |
Averages over each player's completed matches in the selected window (33 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