Guilherme Clezar defeated Gustavo Guerses 3-6 6-1 6-0 in the Brazil F38 round of 16 on hard. The result followed the form book — Guilherme Clezar came in leading the head-to-head 1–0. Guilherme Clezar extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-05-02 | Brazil F12 | QF | clay | Guilherme Clezar | 6-1 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.