Matteo Colla defeated Giancarlo Petrazzuolo 6-1 6-0 in the Italy 1 Masters 3 round of 32 on clay. The upset overturned the form book — Giancarlo Petrazzuolo came in leading the head-to-head 3–0. Matteo Colla claimed a first win over Giancarlo Petrazzuolo in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-05-24 | Italy F9 | QF | clay | Giancarlo Petrazzuolo | 6-3 7-5 |
| 2002-08-19 | Italy 6 2 | R16 | clay | Giancarlo Petrazzuolo | 6-2 2-1 |
| 2001-07-23 | Italy F9 | R16 | clay | Giancarlo Petrazzuolo | 6-0 6-1 |