Tsukasa Kobayashi

MAROOMS presents KNOCK OUT.55 takes place on July 20, 2025, at Korakuen Hall in Tokyo, Japan. This kickboxing event features 10 bouts under KNOCK OUT-RED and KNOCK OUT-BLACK rules. Key fights include Taimu Hisai vs. Romisan Tiger Reon, Yoshiro Tsuzaki vs. Phawanmai, Tsukasa Oki vs. Mun Meikia, and Reito Bravely vs. Ei Mamurinphutong. The preliminary card includes MOMO vs. Miho and NANA vs. Zarina Islamova.

MAROOMS presents KNOCK OUT 2025 vol.3 took place on May 18, 2025, at Korakuen Hall in Tokyo, Japan, promoted by Knock Out. The main event features Shoji Otani defending his KNOCK OUT-BLACK Lightweight (62.5kg) title against Fumiya Osawa in a 3-round (plus 1 extension) title fight. Other key bouts include Kuntap Charoenchai vs. Yoshiro Tsuzaki for the KNOCK OUT-RED Super Welterweight (70kg) title and Hiroki Nakajima vs. Yuki for the KNOCK OUT-BLACK Super Welterweight (70kg) interim title.

KNOCK OUT.58 takes place on October 12, 2025, at Korakuen Hall in Tokyo, Japan.