Hernan Gumy defeated Ricardo Mena 6-4 6-1 in the Argentina 2 Masters 4 qualifying round on clay. The upset overturned the form book — Ricardo Mena came in leading the head-to-head 1–0. Hernan Gumy claimed a first win over Ricardo Mena in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-05-11 | Brazil 3 Masters 3 | R16 | clay | Ricardo Mena | 6-3 3-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.