Richard Brostowicz defeated Joao Zwetsch 6-3 6-4 in the Brazil 5 Masters 4 qualifying round on clay. The upset overturned the form book — Joao Zwetsch came in leading the head-to-head 2–0. Richard Brostowicz claimed a first win over Joao Zwetsch in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-10-25 | Brazil 4 Masters 2 | R32 | clay | Joao Zwetsch | 7-5 4-6 6-3 |
| 1996-10-19 | Brazil 4 Masters 1 | R32 | clay | Joao Zwetsch | 3-6 7-6 6-3 |