Patricio Rudi defeated Roberto Alvarez 7-6 6-2 in the Uruguay F1 round of 32 on clay. The upset overturned the form book — Roberto Alvarez came in leading the head-to-head 1–0. Patricio Rudi claimed a first win over Roberto Alvarez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-10-12 | Argentina F3 | QF | clay | Roberto Alvarez | 6-3 6-3 |