Santiago Villarruel defeated Gustavo Vellbach 6-3 6-0 in the Argentina F9 round of 32 on clay. The upset overturned the form book — Gustavo Vellbach came in leading the head-to-head 1–0. Santiago Villarruel claimed a first win over Gustavo Vellbach in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-08-10 | Argentina F8 | Q16 | clay | Gustavo Vellbach | 6-3 6-3 |
Averages over each player's completed matches in the selected window (13 vs 6). ATP, WTA & Challenger.
wins 50% of points on serve vs Vellbach G.
wins 46% of points on serve vs Villarruel S.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About