Riku Otsu

Krush 158 kickboxing event held February 24, 2024 at Korakuen Hall, Tokyo, Japan.

KNOCK OUT.60: K.O CLIMAX 2025

KNOCK OUT 66 was a kickboxing event held by KNOCK OUT on Sunday, August 2, 2026, at Korakuen Hall in Tokyo, Japan. In the main event, Ryoki faced Yoshimune.

K-1 REVENGE was a kickboxing event hosted by K-1. The event took place on Sunday, May 31, 2026, at Tokyo's Korakuen Hall.

THE KNOCK OUT takes place on June 22, 2025, at the Yoyogi National Gymnasium Second Gymnasium in Tokyo, Japan. Key fights include the main event title rematch between Taimu Hisai and Ryusei, plus title bouts like Shogo Kuriaki vs. Kazuma Kuramoto, Isshi vs. Yuki Morioka, and Yota Shigemori vs. Kongnapa Weerasakreck.

KNOCK OUT 2025 vol.2 takes place on April 6, 2025, at Korakuen Hall in Tokyo, Japan. This kickboxing showcase features Gonnapar Weerasakreck facing Ryusei Kumagai in a -63kg KNOCK OUT RED rules main event. Other fighters include Eisaku Ogasawara vs. Tongmeechai in a Muay Thai bout, Shota Fujii vs. Facu Suarez, and women’s matchups like Kiho vs. Minori Kikuchi.