Gustavo Guerses defeated Juan Carlos Saez 4-6 6-3 6-2 in the Brazil F12 round of 32 on clay. The upset overturned the form book — Juan Carlos Saez came in leading the head-to-head 1–0. Gustavo Guerses claimed a first win over Juan Carlos Saez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-05-23 | Brazil F15 | R32 | clay | Juan Carlos Saez | 6-3 6-0 |
Averages over each player's completed matches in the selected window (13 vs 68). ATP, WTA & Challenger.
wins 46% of points on serve vs Saez J.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About