2013–2017: Professional debut She started playing tennis at the age of five. Since 2013, she has played on the professional tour, mainly at ITF Circuit tournaments. In 2017, she won her first ITF doubles tournament in
Caslano, Switzerland, partnering her compatriot
Lisa Sabino.
2019–2020: WTA Tour debut In November 2019, Bandecchi made her
WTA Tour debut at the Taipei tournament, where she participated in both singles and doubles. In 2020, Bandecchi won the ITF Circuit tournament in
Lousada, Portugal, in singles, beating Dutch player
Arianne Hartono in the final. Together with
Lara Salden from Belgium, she also won the doubles title in Lousada.
2021: First WTA Tour title in doubles She won her first doubles title at the
Ladies Open Lausanne, partnered with
Simona Waltert. ==WTA Tour finals==