Thomaz Bellucci defeated Juan Pablo Villar 6-4 3-6 6-2 in the Argentina F9 qualifying round on clay. The upset overturned the form book — Juan Pablo Villar came in leading the head-to-head 1–0. Thomaz Bellucci claimed a first win over Juan Pablo Villar in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-11-06 | Brazil F18 | F | clay | Juan Pablo Villar | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.