Marco Monnecchi defeated Diego Alvarez 6-4 1-6 7-6 in the Italy 2 Masters 1 round of 16 on clay. The upset overturned the form book — Diego Alvarez came in leading the head-to-head 1–0, but Marco Monnecchi had been the form player, winning 5 of their last 10 on clay. Marco Monnecchi claimed a first win over Diego Alvarez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-08-01 | Italy 3 Masters 2 | R16 | clay | Diego Alvarez | 4-6 7-6 6-4 |