Sebastian Weisz defeated Joao Zwetsch 6-2 3-6 6-4 in the Brazil 5 Masters 3 round of 16 on clay. The upset overturned the form book — Joao Zwetsch came in leading the head-to-head 1–0. Sebastian Weisz claimed a first win over Joao Zwetsch in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1995-04-01 | Argentina 1 Masters 3 | R16 | clay | Joao Zwetsch | 6-4 6-3 |