Caio Zampieri defeated Juan Miguel Such Perez 6-2 7-6 in the Portugal F1 round of 32 on hard. The upset overturned the form book — Juan Miguel Such Perez came in leading the head-to-head 1–0. Caio Zampieri claimed a first win over Juan Miguel Such Perez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-03-20 | Portugal F2 | R32 | hard | Juan Miguel Such Perez | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.