Marcelo Demoliner defeated Alexandre Bonatto 6-1 6-4 in the Brazil F22 semi-final on clay. The upset overturned the form book — Alexandre Bonatto came in leading the head-to-head 3–0. Marcelo Demoliner claimed a first win over Alexandre Bonatto in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-10-20 | Brazil F25 | QF | clay | Alexandre Bonatto | 7-6(4) 7-6(7) |
| 2008-07-28 | Brazil F13 | F | clay | Alexandre Bonatto | 6-3 6-3 |
| 2007-05-21 | Brazil F5 | R32 | clay | Alexandre Bonatto | 6-2 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.