In a 1929–30 Serie A campaign changing competition format to a sole group, Ambrosiana debut match was a triumph against Livorno. By 16 February 1930, the squad counts 23 points (with a match pending against Juventus). Played the game on 20 April, Ambrosiana took an advantage of + 4 points over Juventus and Genova. The success was determined in direct matches between teams programmed for last round on Sunday. On 8 June in Genova, Juventus is defeated 2-0 falling to − 6 points. Meanwhile, Ambrosiana draw 3–3 at home against Liguria (included a penalty missed in last minutes) standing with 4 points of advantage. The scudetto is clinched on 29, with a victory in stadio San Siro against Torino taking Ambrosiana to a 50 points and leadership. Crutial to the trophy was Giuseppe Meazza, league topscorer: 31 goals.