Francisco Costa defeated Marcelo Rebelo 6-1 6-4 in the Brazil 1 Masters 4 round of 16 on clay. The upset overturned the form book — Marcelo Rebelo 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 Marcelo Rebelo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1994-05-14 | Brazil Masters 2 | R16 | clay | Marcelo Rebelo | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.