Her accomplishments as a novice skater include a gold medal at the 2019 Egna Spring Trophy and at the 2019 Eiscup Innsbruck.

Debuting as a senior skater at the 2022 Italian Championships, Pezzetta won the silver medal behind Lara Naki Gutmann.

[2] Competing at the 2022 World Junior Championships in Tallinn, Estonia, Pezzetta placed twenty-fourth in the short program, qualifying for the free skate segment.

[2] At the 2023 Italian Championships, Pezzetta won the bronze medal behind Lara Naki Gutmann and Ginevra Negrello.

She then participated at the 2023 European Youth Olympic Festival, where she won the silver medal behind Iida Karhunen of Finland.

Pezzetta subsequently won her second medal on the ISU Challenger Series, a silver at the 2023 CS Warsaw Cup.

[3] At the 2025 Italian Championships, Pezzetta placed second in the short program but won the free skate, allowing her to capture the gold medal overall.