Francisco Costa defeated Alejandro Aramburu 6-4 6-3 in the Brazil 1 Masters 3 round of 16 on clay. The upset overturned the form book — Alejandro Aramburu came in leading the head-to-head 1–0, but Francisco Costa had been the form player, winning 3 of their last 5 on clay. Francisco Costa claimed a first win over Alejandro Aramburu in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1996-08-10 | Venezuela Ecuador Masters 3 | SF | clay | Alejandro Aramburu | 7-5 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.