Matteo Colla defeated Giorgio Galimberti 6-3 6-1 in the Italy F3 qualifying round on clay. The upset overturned the form book — Giorgio Galimberti came in leading the head-to-head 2–1. Matteo Colla narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-08-17 | Italy F14 | R32 | clay | Giorgio Galimberti | 7-6 6-2 |
| 1997-10-04 | Italy 6 Masters 2 | F | clay | Giorgio Galimberti | 6-2 3-6 6-1 |
| 1995-07-01 | Italy 3 Masters 3 | QF | clay | Matteo Colla | 6-7 6-3 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.