Juan Carlos Saez defeated Gustavo Guerses 6-3 6-0 in the Brazil F15 round of 32 on clay. The upset overturned the form book — Gustavo Guerses came in leading the head-to-head 1–0, but Juan Carlos Saez had been the form player, winning 4 of their last 6 on clay. Juan Carlos Saez claimed a first win over Gustavo Guerses in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-05-02 | Brazil F12 | R32 | clay | Gustavo Guerses | 4-6 6-3 6-2 |
Averages over each player's completed matches in the selected window (68 vs 13). 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