Joao Souza defeated Caio Zampieri 7-6 6-4 in the Leon CH semi-final on hard. The upset overturned the form book — Caio Zampieri came in leading the head-to-head 2–1, defending last year's round of 32. Joao Souza narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-02-09 | Costa Do Sauipe | QF | hard | Caio Zampieri | 3-6 7-6(5) 7-6(8) |
| 2006-12-04 | Brazil F22 | R16 | hard | Caio Zampieri | 6-4 4-6 6-4 |
| 2006-11-27 | Brazil F21 | QF | clay | Joao Souza | 6-4 6-3 |
Averages over each player's completed matches in the selected window (161 vs 80). 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