Diego Del Rio defeated Oscar Bustos 4-6 6-4 6-3 in the Brazil 2 Masters 2 round of 16 on clay. The upset overturned the form book — Oscar Bustos came in leading the head-to-head 1–0, but Diego Del Rio had been the form player, winning 4 of their last 10 on clay. Diego Del Rio claimed a first win over Oscar Bustos in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-04-13 | Brazil 2 Masters 1 | R32 | clay | Oscar Bustos | 7-5 7-6 |