Portesi Peroni competed for two seasons with Alessio Galli before forming a partnership with Czech-Slovene dancer Michael Chrastecky to represent her country.

They concluded the season making their debut at the World Junior Championships, where they finished in seventeenth position.

[3] Making their international senior debut on the Challenger series, Portesi Peroni/Chrastecky placed eleventh on the 2021 CS Lombardia Trophy.

They next competed at the 2021 CS Nebelhorn Trophy, seeking to qualify a second spot for Italy at the 2022 Winter Olympics.

[3] On October 6, Portesi Peroni announced on her Instagram that she had ruptured her patellar tendon, requiring surgery and four months of recovery, ending their season.