Diego Del Rio defeated Hernan Gumy 7-5 6-4 in the Brazil 2 Masters 2 round of 16 on clay. The upset overturned the form book — Hernan Gumy came in leading the head-to-head 3–1. Diego Del Rio narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-07-17 | Argentina 2 Masters 1 | R16 | clay | Diego Del Rio | 6-3 6-0 |
| 1992-05-11 | Brazil 3 Masters 4 | R16 | clay | Hernan Gumy | 7-5 6-1 |
| 1991-05-13 | Brazil 3 Masters 2 | QF | clay | Hernan Gumy | 6-1 7-5 |
| 1991-05-13 | Brazil 3 Masters 4 | R16 | clay | Hernan Gumy | 6-0 4-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.