On 31 July he made his debut for Como in a 3–0 home win over Valdinievole Montecatini in the first round of Coppa Italia, he was replaced by Michele Mandelli in the 78th minute.
[1] On 28 August he made his Serie C debut for Como as a substitute replacing Davide Di Quinzio in the 87th minute of 2–2 away draw against Arezzo.
[12] On 29 July he made his debut for Südtirol as a substitute replacing Francesco De Rose in the 82nd minute of a 2–1 home win over Albalonga in the first round of Coppa Italia.
[13] On 17 September he made his Serie C debut for Südtirol as a substitute replacing Luca Beradocco in the 83rd minute of a 1–0 hom win over Teramo.
On 31 August 2012, Antezza made his debut at U-17 level as a substitute replacing Gennaro Tutino in the 60th minute of a 1–0 home defeat against Portugal U-17.