Joao Souza defeated Jhonnatan Medina Alvarez 1-6 7-6 7-6 in the Colombia F3 round of 16 on clay. The upset overturned the form book — Jhonnatan Medina Alvarez came in leading the head-to-head 1–0, but Joao Souza had been the form player, winning 3 of their last 6 on clay. Joao Souza claimed a first win over Jhonnatan Medina Alvarez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-11-27 | Brazil F21 | SF | clay | Jhonnatan Medina Alvarez | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.