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.

Cast

Takeru Segawa

Self

Rodtang Jitmuangnon

Self

Yuya Wakamatsu

Self

Jonathan Haggerty

Self

Marat Grigorian

Self

Kaito Ono

Self

Ayaka Miura

Self

Hiroki Akimoto

Self

Itsuki Hirata

Self

Ritu Phogat

Self

Tatsumitsu Wada

Self