Joao Souza defeated Rodrigo Guidolin 6-3 6-0 in the Brazil F16 round of 16 on clay. The upset overturned the form book — Rodrigo Guidolin came in leading the head-to-head 1–0. Joao Souza claimed a first win over Rodrigo Guidolin in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-09-10 | Brazil F13 | R16 | clay | Rodrigo Guidolin | 6-2 4-6 7-6(6) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.