Nicolas Alberto Arreche defeated Gustavo Vellbach 6-1 7-5 in the Chile F9 round of 16 on clay. The upset overturned the form book — Gustavo Vellbach came in leading the head-to-head 1–0, but Nicolas Alberto Arreche had been the form player, winning 5 of their last 10 on clay. Nicolas Alberto Arreche claimed a first win over Gustavo Vellbach in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-11-17 | Chile F7 | R32 | clay | Gustavo Vellbach | 6-3 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.