Rodrigo Guidolin defeated Diego Matos 6-1 6-3 in the Brazil F22 round of 32 on clay. The result followed the form book — Rodrigo Guidolin came in leading the head-to-head 4–0. Rodrigo Guidolin extended the head-to-head to 5–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-07-04 | Brazil F20 | R32 | clay | Rodrigo Guidolin | 6-3 6-4 |
| 2011-05-23 | Brazil F15 | R16 | clay | Rodrigo Guidolin | 6-4 3-6 6-3 |
| 2011-05-16 | Brazil F14 | R32 | clay | Rodrigo Guidolin | 7-6(6) 7-6(5) |
| 2011-01-17 | Brazil F4 | R32 | clay | Rodrigo Guidolin | 1-6 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.