1912–13 Italian Football Championship

The winner was Pro Vercelli.

For the first time, sides from southern Italy were admitted.

The match between Lambro Milano and Racing Libertas Milano was later canceled and repeated:

Alba Roma, Juventus Audax Roma, Novara, Pro Roma and Racing Libertas Milano were admitted to the 1a Categoria.

Source: Almanacco Illustrato del Calcio - La Storia 1898-2004, Panini Edizioni, Modena, September 2005 (Italian)
1 ^{^} The home team is listed in the left-hand column.
Colours: Blue = home team win; Yellow = draw; Red = away team win.
For coming matches, an a indicates there is an article about the match.

Source: Almanacco Illustrato del Calcio - La Storia 1898-2004, Panini Edizioni, Modena, September 2005 (Italian)
1 ^{^} The home team is listed in the left-hand column.
Colours: Blue = home team win; Yellow = draw; Red = away team win.
For coming matches, an a indicates there is an article about the match.

Source: Almanacco Illustrato del Calcio - La Storia 1898-2004, Panini Edizioni, Modena, September 2005 (Italian)
1 ^{^} The home team is listed in the left-hand column.
Colours: Blue = home team win; Yellow = draw; Red = away team win.
For coming matches, an a indicates there is an article about the match.

The results of the matches between sides that were in the same qualification rounds were valid also for the final round (but not the goals scored in those matches). Due to this, the sides began the final round with a point bonus:

Source: Almanacco Illustrato del Calcio - La Storia 1898-2004, Panini Edizioni, Modena, September 2005 (Italian)
1 ^{^} The home team is listed in the left-hand column.
Colours: Blue = home team win; Yellow = draw; Red = away team win.
For coming matches, an a indicates there is an article about the match.

...
Wikipedia