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.