Oscar Rodriguez Arg defeated Francisco Costa 6-3 6-4 in the Brazil 4 Masters 2 qualifying round on clay. The upset overturned the form book — Francisco Costa came in leading the head-to-head 1–0. Oscar Rodriguez Arg claimed a first win over Francisco Costa in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1996-11-16 | Brazil 5 Masters 3 | R16 | clay | Francisco Costa | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.