Gonzalo Villanueva defeated Nicolas Alberto Arreche 6-7 7-6 6-4 in the Argentina F4 qualifying round of 64 on clay. The upset overturned the form book — Nicolas Alberto Arreche came in leading the head-to-head 3–0, but Gonzalo Villanueva had been the form player, winning 9 of their last 10 on clay. Gonzalo Villanueva claimed a first win over Nicolas Alberto Arreche in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-03-05 | M25 Hurlingham 1 | R16 | clay | Nicolas Alberto Arreche | 6-4 7-5 |
| 2017-08-21 | Argentina F4 | R32 | clay | Nicolas Alberto Arreche | 6-7(4) 6-0 6-2 |
| 2014-11-24 | Chile F8 | R16 | clay | Nicolas Alberto Arreche | 6-4 6-3 |
Averages over each player's completed matches in the selected window (199 vs 96). 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