ONE 165

ONE 165: Superlek vs. Takeru was a combat sport event produced by ONE Championship that took place on January 28, 2024, at the Ariake Arena in Tokyo, Japan.

Background
The event marked the promotion's fourth visit to Tokyo and first since ONE: Century in October 2019. The event was originally host to Qatar, but moved to ONE 166 on March 1.

A flyweight kickboxing superfight between the ONE Flyweight Muay Thai Champion Rodtang Jitmuangnon and former three-divisions K-1 World Champion Takeru Segawa was expected to headline the event. This was mark the first time a non-title bout to be five rounds. However, Rodtang withdrew from the bout due to injury and was replaced by Superlek Kiatmuu9 for the ONE Flyweight Kickboxing World Championship bout.

A ONE Lightweight Submission Grappling World Championship rematch between current champion Kade Ruotolo and Tommy Langaker served as the co-main event. The pairing previously met at ONE Fight Night 11 which Ruotolo retained the title by unanimous decision.

A lightweight bout between former two-time ONE Lightweight Champion Shinya Aoki and Sage Northcutt was expected to take place at the event. Northcutt withdrew during the event due to two of his coaches (one being former WEC Featherweight Champion and UFC Hall of Famer Modern Wing Urijah Faber) not having work visas and was replaced by former ONE Bantamweight Champion John Lineker in a openweight bout.

Bonus awards
The following fighters received $50,000 bonuses.
 * Performance of the Night: Superlek Kiatmuu9, Kade Ruotolo, Shinya Aoki, Nieky Holzken, Marat Grigorian and Garry Tonon