[3] In 2015, Busato won the silver medal in the men's individual kata event at the European Games held in Baku, Azerbaijan.

[6] In 2018, Busato won one of the bronze medals in the men's kata event at the World University Karate Championships held in Kobe, Japan.

[12] Busato lost his bronze medal match in the men's kata event at the 2022 World Games held in Birmingham, United States.

He won the silver medal in the men's individual kata event at the 2023 European Karate Championships held in Guadalajara, Spain.

[13] He lost his bronze medal match in the men's individual kata event at the 2023 World Karate Championships held in Budapest, Hungary.