Martin Cuevas defeated Guilherme Clezar 7-6 3-6 6-3 in the Argentina F8 round of 16 on clay. The upset overturned the form book — Guilherme Clezar came in leading the head-to-head 2–0, but Martin Cuevas had been the form player, winning 4 of their last 10 on clay. Martin Cuevas claimed a first win over Guilherme Clezar in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-06-27 | Argentina F9 | R32 | clay | Guilherme Clezar | 6-2 6-3 |
| 2011-05-23 | Brazil F15 | R16 | clay | Guilherme Clezar | 6-7(10) 7-6(1) 6-2 |
Averages over each player's completed matches in the selected window (200 vs 200). 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