Juan Pablo Villar defeated Jhonnatan Medina Alvarez 6-1 6-1 in the Brazil F18 qualifying round on clay. The upset overturned the form book — Jhonnatan Medina Alvarez came in leading the head-to-head 1–0, but Juan Pablo Villar had been the form player, winning 3 of their last 6 on clay. Juan Pablo Villar 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 | F | clay | Jhonnatan Medina Alvarez | 2-6 7-6(5) 6-1 |