The 2003 Supercoppa Italiana was a match contested by Juventus, the 2002–03 Serie A winner, and Milan, the 2002–03 Coppa Italia winner. It was the sixth appearance for Juventus (3 victories in 1995, 1997 and 2002) and the seventh for Milan (victories in 1988, 1992, 1993, 1994). The match was played in East Rutherford, New Jersey in the United States, the home pitch of the Major League Soccer New York / New Jersey Metrostars (now Red Bull New York), with a heavily Italian heritage in the region.
- 90 minutes.
- 30 minutes of extra-time if necessary.
- Penalty shoot-out if scores still level.
- Seven named substitutes
- Maximum of 3 substitutions.