Alexandre Bonatto defeated Marcelo Melo 6-3 7-6 in the Mexico F16 round of 16 on hard. The upset overturned the form book — Marcelo Melo came in leading the head-to-head 4–2. Alexandre Bonatto narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-08-21 | Brazil F8 | SF | clay | Marcelo Melo | 6-4 7-5 |
| 2006-06-19 | Brazil F6 | R32 | clay | Alexandre Bonatto | 6-2 6-0 |
| 2004-09-27 | Brazil F8 | QF | clay | Marcelo Melo | 6-2 6-1 |
| 2004-09-20 | Brazil F7 | SF | hard | Alexandre Bonatto | 7-5 2-6 6-4 |
| 2004-03-08 | Brazil F2 | R16 | hard | Marcelo Melo | 6-3 7-6(5) |
| 2003-10-13 | Mexico F17 | F | hard | Marcelo Melo | 1-6 7-6(7) 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.