Alexandre Bonatto defeated Leonardo Kirche 7-5 6-4 in the Brazil F8 qualifying round on clay. The upset overturned the form book — Leonardo Kirche came in leading the head-to-head 3–1, but Alexandre Bonatto had been the form player, winning 6 of their last 10 on clay. Alexandre Bonatto narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-09-14 | Brazil F19 | F | clay | Leonardo Kirche | 4-6 6-3 7-6(5) |
| 2009-06-01 | Brazil F5 | SF | clay | Leonardo Kirche | 2-6 6-3 7-6(2) |
| 2006-06-19 | Brazil F6 | QF | clay | Alexandre Bonatto | 6-4 6-3 |
| 2005-09-05 | Brazil F9 | QF | clay | Leonardo Kirche | 6-4 7-6(6) |