Alexandre Bonatto defeated Franco Ferreiro 6-4 5-7 6-4 in the Brazil F19 qualifying round on clay. The upset overturned the form book — Franco Ferreiro came in leading the head-to-head 2–1. Alexandre Bonatto narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-08-14 | Brazil F7 | SF | clay | Franco Ferreiro | 3-6 6-3 6-4 |
| 2005-09-12 | Brazil F10 | R16 | clay | Franco Ferreiro | 6-4 6-1 |
| 2003-04-21 | Chile F3 | R32 | clay | Alexandre Bonatto | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.