Federico Sansonetti defeated Tiago Lopes 7-6 3-6 7-5 in the Brazil F13 round of 16 on clay. The upset overturned the form book — Tiago Lopes came in leading the head-to-head 1–0. Federico Sansonetti claimed a first win over Tiago Lopes in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-07-11 | Brazil F21 | R16 | clay | Tiago Lopes | 6-2 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.