[4] Matsutani faced Mari Kamikariya in a -44 kg catchweight bout at Stand up Kickboxing Vol.1 on December 22, 2019.
[6] Matsutani faced the debuting Arina Kobayashi at RISE Girls Power 2 on February 11, 2020.
[14] She was eliminated in the tournament semifinals by Miyuu Sugawara, who defeated Matsutani by majority decision to hand her her first professional loss.
[16] Matsutani next faced Ga Yeon Won at Krush Ring of Venus on April 8, 2023.
[18] Matsutani faced the former K-1 Women's Atomweight champion Phayahong Ayothayafightgym at K-1 World GP 2023 on July 17, 2023.
[30] Matsutani faced Mafia Petchmongkoldee in the semifinals of the K-1 Women's Atomweight Grand Prix at K-1 World MAX 2025 on February 9, 2025.
[32] In the final, Matsutani defeated Aki Suematsu by majority decision to win the vacant K-1 Women's Atomweight Championship.