Alejandro Aramburu defeated Rafael Serpa Guinazu 7-5 6-3 in the Argentina 3 Masters 1 round of 32 on clay. Alejandro Aramburu extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-04-27 | Argentina F2 | R32 | clay | Alejandro Aramburu | 6-4 1-6 6-1 |
| 1995-04-01 | Argentina 1 Masters 3 | R32 | clay | Rafael Serpa Guinazu | 6-7 6-1 6-3 |