Rodrigo Guidolin defeated Nicolas Santos 6-2 6-4 in the Brazil F29 round of 32 on clay. The result followed the form book — Rodrigo Guidolin came in leading the head-to-head 2–1. Rodrigo Guidolin extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-05-09 | Brazil F13 | R16 | hard | Rodrigo Guidolin | 6-2 6-1 |
| 2011-04-18 | Brazil F10 | QF | clay | Nicolas Santos | 6-1 6-4 |
| 2010-10-25 | Brazil F30 | R16 | clay | Rodrigo Guidolin | 4-6 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.