Leonardo Olguin defeated Gustavo Diaz 6-4 6-4 in the Brazil 3 Masters 1 round of 32 on clay. Leonardo Olguin extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1996-08-31 | Argentina 2 Masters 1 | R32 | clay | Leonardo Olguin | 6-4 7-6 |
| 1995-08-05 | Argentina B Masters 2 | R16 | clay | Gustavo Diaz | 6-3 7-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.