Juan Carlos Saez defeated Gonzalo Villanueva 7-6 6-4 in the Peru F9 round of 16 on clay. The upset overturned the form book — Gonzalo Villanueva came in leading the head-to-head 1–0. Juan Carlos Saez claimed a first win over Gonzalo Villanueva in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-05-23 | Argentina F8 | QF | clay | Gonzalo Villanueva | 6-2 1-6 6-4 |
Averages over each player's completed matches in the selected window (68 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