World Youth Championship result

Saint Petersburg 2016

• First round: Defeated Sophon Klachun (Thailand) 5–0
• Second Round: Defeated Hamsat Shadalov (Germany) 4–0
• Quarter-finals: Defeated Jack Bowen (Australia) 5–0
• Semi–finals: Defeated Otabek Kholmatov (Uzbekistan) 3–2
• Final: Defeated Elio Crespo Santos (Cuba) 5–0

Asian Games result

Jakarta-Palembang 2018

• Round of 32: Defeated by Kharkhuu Enkhamar (Mongolia) 3–2

World Championship result

Belgrade 2021

• First round: Defeated Lázaro Álvarez (Cuba) 5–0
• Second round: Defeated Theocharis Karzis (Greece) 5–0
• Third round: Defeated by Vsevolod Skumkov (ROC) 4–1

Early career

Tsutsumi made his professional debut on 13 July 2022, in a bout against Jhon Gemino. Tsutsumi was declared the winner via wide unanimous decision after controlling the duration of the bout.^[3][4] Tsutsumi's second outing as a professional was against Pete Apolinar on the 31 December 2022. In the sixth round, Tsutsumi scored the first knockdown of his career after landing a combination of punches. Despite Apolinar recovering from the knockdown, Tsutsumi secured the win after outboxing his opponent for the majority of the bout.^[5]

On 31 May 2023, Tsutsumi faced former world title challenger Jeo Santisima for the vacant OPBF featherweight title. Tsutsumi was able to secure the win after outboxing his Filipino opponent.^[6] Tsutsumi returned to the ring on 31 December 2023, as he faced Luis Moncion Ventura. Tsutsumi started the bout aggressively and bloodied the nose of his opponent in the second round. During the third round, Tsutsumi landed a hard shot which sent his opponent to the canvas. Ventura was able to recover from the knockdown, but was floored for a second time less than a minute later which resulted in the referee calling an end to the bout in the third round.^[7]