He was part of the team that were runners up in the 2019-20 Swiss Challenge League season.
Antoniazzi has won two Liechtenstein Football Cup's with FC Vaduz during the 2018-19 and 2021-22 seasons.
He was part of the squad that competed in the UEFA Europa League Qualifying rounds in 2019.
[2][3] On 26 August 2022, Antoniazzi signed with FC Weesen in the fourth-tier Swiss 1.
He was part of the Switzerland U19s team during qualifying for the 2017 UEFA European Under-19 Championship.