Federico Cardinali defeated Agustin Banos 6-3 6-4 in the Chile 1 Masters 4 round of 32 on clay. The upset overturned the form book — Agustin Banos came in leading the head-to-head 1–0. Federico Cardinali claimed a first win over Agustin Banos in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-04-04 | Chile 1 Masters 2 | R32 | clay | Agustin Banos | 6-2 6-4 |