Carlos Zwetsch defeated Cristiano Testa 6-4 6-4 in the Brazil 5 Masters 1 round of 16 on clay. The result followed the form book — Carlos Zwetsch came in leading the head-to-head 2–0. Carlos Zwetsch extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1996-10-19 | Brazil 4 Masters 1 | R32 | clay | Carlos Zwetsch | 6-1 6-0 |
| 1991-07-15 | Brazil 5 Masters 2 | R32 | clay | Carlos Zwetsch | 7-5 3-6 6-3 |