Ricardo Schlachter defeated Alejandro Aramburu 4-6 7-5 6-1 in the Brazil 1 Masters 2 round of 32 on clay. Ricardo Schlachter extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-04-27 | Argentina F2 | F | clay | Ricardo Schlachter | 7-5 6-7 6-4 |
| 1998-04-20 | Argentina F1 | QF | clay | Ricardo Schlachter | 7-5 6-4 |
| 1997-08-09 | Ecuador Peru Masters 3 | SF | clay | Alejandro Aramburu | 6-4 4-6 7-6 |
| 1995-10-21 | Brazil 2 Masters 1 | R32 | clay | Alejandro Aramburu | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.