Alejandro Aramburu defeated Leandro Rosa 6-0 6-2 in the Brazil 1 Masters 4 round of 32 on clay. The result followed the form book — Alejandro Aramburu came in leading the head-to-head 2–1. Alejandro Aramburu extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-08-30 | Peru F1 | R16 | clay | Leandro Rosa | 7-6 6-3 |
| 1998-10-05 | Bolivia F3 | QF | clay | Alejandro Aramburu | 6-7 6-2 6-0 |
| 1998-07-20 | Brazil F1 | R16 | clay | Alejandro Aramburu | 6-3 6-2 |