Oscar Bustos defeated Carlos Engel 7-5 6-7 7-6 in the Brazil 1 Masters 2 round of 32 on clay. The upset overturned the form book — Carlos Engel came in leading the head-to-head 1–0. Oscar Bustos claimed a first win over Carlos Engel in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-04-13 | Brazil 2 Masters 4 | R16 | clay | Carlos Engel | 5-7 7-6 6-3 |