Federico Dondo defeated Antonio Couvert 6-3 3-6 6-3 in the Argentina 1 Masters 3 round of 16 on clay. The upset overturned the form book — Antonio Couvert came in leading the head-to-head 1–0. Federico Dondo claimed a first win over Antonio Couvert in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-10-04 | Argentina 2 Masters 1 | R16 | clay | Antonio Couvert | 6-3 2-6 6-4 |