Rafael Serpa Guinazu defeated Roberto Alvarez 7-5 6-3 in the Argentina 3 Masters 4 round of 32 on clay. Rafael Serpa Guinazu extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1995-04-01 | Argentina 1 Masters 1 | QF | clay | Rafael Serpa Guinazu | 6-1 6-4 |
| 1993-08-14 | Argentina 3 Masters 2 | QF | clay | Roberto Alvarez | 4-6 7-5 6-4 |