Enzo Artoni defeated Hermes Gamonal 6-3 3-6 6-3 in the Chile F4 round of 16 on clay. The upset overturned the form book — Hermes Gamonal came in leading the head-to-head 1–0. Enzo Artoni claimed a first win over Hermes Gamonal in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-05-03 | Chile 1 Masters 4 | R16 | clay | Hermes Gamonal | 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.