Miguel Miranda defeated Rodrigo Pena 6-2 6-3 in the Argentina 2 round of 16 on clay. The upset overturned the form book — Rodrigo Pena 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 Rodrigo Pena in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-08-03 | Ecuador F1 | R32 | clay | Rodrigo Pena | 6-2 6-1 |