Tiago Lopes defeated Gaston Paz 6-4 2-6 7-5 in the Brazil F20 round of 32 on clay. The upset overturned the form book — Gaston Paz came in leading the head-to-head 1–0. Tiago Lopes claimed a first win over Gaston Paz in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-12-16 | Brazil F21 | R32 | clay | Gaston Paz | 4-6 7-6(11) 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.