Diego Alvarez defeated Matteo Colla 7-5 6-3 in the Italy 3 Masters 1 round of 16 on clay. The upset overturned the form book — Matteo Colla came in leading the head-to-head 4–1. Diego Alvarez narrowed the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-06-27 | Italy F19 | R16 | clay | Matteo Colla | 7-6(4) 5-7 6-4 |
| 2000-05-22 | Italy F3 | R16 | clay | Matteo Colla | 6-4 7-6(3) |
| 2000-03-11 | Italy 1 Masters 3 | F | clay | Diego Alvarez | 1-6 6-1 6-4 |
| 1999-08-09 | Italy F16 | QF | clay | Matteo Colla | 6-7 7-5 6-0 |
| 1998-08-01 | Italy 3 Masters 3 | R16 | clay | Matteo Colla | 6-3 6-4 |