Juan Pablo Villar defeated Juan Martin Aranguren 1-6 6-4 7-6 in the Brazil F32 semi-final on clay. The upset overturned the form book — Juan Martin Aranguren came in leading the head-to-head 1–0. Juan Pablo Villar claimed a first win over Juan Martin Aranguren in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-04-24 | Argentina F4 | R16 | clay | Juan Martin Aranguren | 6-2 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.