TOKYO — ONE Championship returned to Tokyo on Saturday, 17 October 2026 with a double title bill at the Ariake Arena, as ONE Samurai 4 put bantamweight kickboxing and atomweight Muay Thai gold on the line.
In the main event, ONE bantamweight kickboxing champion Jonathan Haggerty put his title on the line against former champion Hiroki Akimoto. Akimoto, who lost his title in 2022, has won three straight to earn another shot at his old belt. Co-main event action saw atomweight Muay Thai champion Nadaka Yoshinari defend against Malaysia's Rifdean Masdor.
The card streamed live via Live.ONEFC.com and on U-NEXT in Japan, with action getting underway at 2:30am ET (11:30pm PT on 16 October). The undercard featured Masaaki Noiri vs Mohammad Siasarani in kickboxing, Rukiya Anpo vs Bogdan Shumarov in kickboxing, Itsuki Hirata vs Jihin Radzuan in MMA, Yuki Yoza vs Nabil Anane in kickboxing, Shintaro Matsukura vs Sinsamut Klinmee in kickboxing, Shozo Isojima vs Kota Abe in MMA, Toki Tamaru vs Shoma Okumura in kickboxing, Yu Takeuchi vs Ryoto Nishiyama in MMA and Yoshinari Fukushima vs Masaki Takeura in submission grappling.
Full results from the Ariake Arena will follow with the event live in Tokyo.