Marcelo Melo defeated Rodrigo Guidolin 6-4 7-5 in the Brazil F5 round of 16 on clay. The upset overturned the form book — Rodrigo Guidolin came in leading the head-to-head 2–1. Marcelo Melo narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-06-12 | Brazil F5 | R32 | clay | Rodrigo Guidolin | 6-2 5-7 6-3 |
| 2005-05-09 | Brazil F3 | QF | clay | Rodrigo Guidolin | 6-3 1-6 7-6(2) |
| 2004-11-15 | Brazil F14 | SF | clay | Marcelo Melo | 6-1 2-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.