Itsuki Hirata

ONE Samurai 4 was a kickboxing, Muay Thai, and MMA event held by ONE Championship on Saturday, October 17, 2026, at Ariake Arena in Tokyo, Japan. In the main event, Jonathan Haggerty faced Hiroki Akimoto for the ONE Bantamweight Kickboxing World Championship, while Nadaka Yoshinari took on Rifdean Masdor for the Atomweight Muay Thai World Championship in the co-main event. The card also featured Masaaki Noiri vs. Mohammad Siasarani, Marat Grigorian vs. Luo Chao, and Rukiya Anpo vs. Bogdan Shumarov, and the event doubled as the night ONE Championship inducted Takeru Segawa into its Hall of Fame.

ONE 165 takes place on January 28, 2024, at Ariake Arena in Tokyo, Japan. This martial arts spectacle features Superlek Kiatmoo9 defending his Flyweight Kickboxing World Championship against Takeru Segawa in the main event. The co-main event showcases Kade Ruotolo facing Tommy Langaker for the Lightweight Submission Grappling title. It marks ONE Championship’s return to Japan for the first time since 2019, broadcast live on global pay-per-view.

ONE Samurai 1 was a combat sports event produced by ONE Championship that took place on April 29, 2026, at Ariake Arena in Tokyo, Japan. An interim ONE Flyweight Kickboxing World Championship bout between Former ONE Flyweight Muay Thai World champion Rodtang Jitmuangnon and Former 3 Division K-1 Champion Takeru Segawa headlined the event.

A ONE Flyweight World Championship rematch between current three-time champion Adriano Moraes and former UFC Flyweight Champion (also 2019 ONE Flyweight World Grand Prix Champion) Demetrious Johnson headlined the event. The pairing previously met at ONE on TNT 1 in April 2021 where Moraes defeated Johnson by KO in Round 2.

ONE Championship: X was a Combat sport event held by ONE Championship on March 26, 2022, at the Singapore Indoor Stadium in Kallang, Singapore.

ONE 167: Tawanchai vs. Nattawut 2 was a combat sport event produced by ONE Championship that took place on June 8, 2024, at the Impact Arena in Bangkok, Thailand. A ONE Featherweight Muay Thai World Championship bout between current champion Tawanchai P.K.Saenchai and Jo Nattawut served as the main event.

ONE 173: Superbon vs. Noiri was a combat sports event produced by ONE Championship that took place on November 16, 2025, at the Ariake Arena in Tokyo, Japan. A ONE Featherweight Kickboxing World Championship unification bout between current two-time champion Superbon Singha Mawynn and interim champion (also a former K-1 Super Lightweight and Welterweight Champion) Masaaki Noiri headlined the event.

ONE Fight Night 8: Superlek vs. Williams was a Combat sport event produced by ONE Championship that took place on March 25, 2023, at the Singapore Indoor Stadium in Kallang, Singapore.