Miguel Miranda defeated Federico Dondo 7-5 6-3 in the Argentina F4 round of 32 on clay. The upset overturned the form book — Federico Dondo came in leading the head-to-head 1–0, but Miguel Miranda had been the form player, winning 4 of their last 8 on clay. Miguel Miranda claimed a first win over Federico Dondo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-02 | Chile 2 Masters 2 | R16 | clay | Federico Dondo | 6-3 7-6 |