Thales Turini defeated Guilherme Clezar 4-6 6-4 6-4 in the Brazil F11 round of 32 on clay. The upset overturned the form book — Guilherme Clezar came in leading the head-to-head 4–1, but Thales Turini had been the form player, winning 2 of their last 8 on clay. Thales Turini narrowed the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-10-24 | Brazil F36 | QF | clay | Guilherme Clezar | 4-6 6-3 7-6(6) |
| 2011-05-09 | Brazil F13 | R32 | hard | Guilherme Clezar | 3-6 6-3 6-4 |
| 2010-11-22 | Brazil F34 | QF | clay | Guilherme Clezar | 6-1 2-6 6-3 |
| 2009-11-02 | Brazil F26 | R32 | clay | Thales Turini | 6-1 6-2 |
| 2009-10-26 | Brazil F25 | QF | clay | Guilherme Clezar | 1-6 7-6(2) 6-2 |
Averages over each player's completed matches in the selected window (69 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