is a Japanese professional boxer. As an amateur, Tsutsumi won a gold medal at the 2021 World Youth Championships as well as competing at the 2021 World Championships.
Amateur career.
World Youth Championship result.
Kielce 2021
World Championship result.
Belgrade 2021
Professional career.
Early career.
On 16 April 2025, "The Ring" reported that Tsutsumi had opted to turn professional, with his debut expected to be on the undercard of Ryan Garcia vs. Rolando Romero on 2 May 2025. Tsutsumi made his professional debut in a bout against Levale Whittington. Tsutsumi was able to visibly hurt his opponent in the second and third rounds as he controlled the bout en route to a unanimous decision win.