Mariano Hood defeated Gaston Naon 6-1 6-4 in the Argentina 2 Masters 1 round of 16 on clay. The upset overturned the form book — Gaston Naon came in leading the head-to-head 1–0. Mariano Hood claimed a first win over Gaston Naon in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-07-13 | Argentina 1 Masters 1 | R16 | clay | Gaston Naon | 6-2 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.