Pedro Sousa defeated Guilherme Clezar 6-1 6-2 in the Montevideo CH round of 32 on clay. The upset overturned the form book — Guilherme Clezar came in leading the head-to-head 1–0, defending last year's round of 16, but Pedro Sousa had been the form player, winning 6 of their last 10 on clay. Pedro Sousa claimed a first win over Guilherme Clezar in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-01-24 | Brazil F5 | R16 | clay | Guilherme Clezar | 6-4 2-6 6-4 |
Averages over each player's completed matches in the selected window (200 vs 150). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About