Diego Del Rio defeated Gaston Naon 7-5 6-3 in the Chile Masters 1 round of 32 on clay. The result followed the form book — Diego Del Rio came in leading the head-to-head 1–0. Diego Del Rio extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-08-10 | Argentina 2 Masters 3 | QF | clay | Diego Del Rio | 3-6 7-5 6-0 |