Hernan Gumy defeated Luis Andreotti 6-1 6-1 in the Argentina 3 Masters 4 round of 32 on clay. The result followed the form book — Hernan Gumy came in leading the head-to-head 4–0. Hernan Gumy extended the head-to-head to 5–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-08-14 | Argentina 3 Masters 3 | QF | clay | Hernan Gumy | 6-2 6-2 |
| 1991-05-13 | Brazil 3 Masters 1 | SF | clay | Hernan Gumy | 6-4 6-1 |
| 1991-05-13 | Brazil 3 Masters 2 | R32 | clay | Hernan Gumy | 3-6 6-2 6-2 |
| 1991-05-13 | Brazil 3 Masters 3 | QF | clay | Hernan Gumy | 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.