Joao Souza defeated Carlos Avellan 7-6 2-6 6-4 in the Brazil F17 round of 16 on clay. The upset overturned the form book — Carlos Avellan came in leading the head-to-head 1–0. Joao Souza claimed a first win over Carlos Avellan in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-11-06 | Brazil F18 | R16 | clay | Carlos Avellan | 3-6 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.