Nong-O Gaiyanghadao

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 Friday Fights 1 took place Friday, January 20, 2023 with 12 fights at Lumpinee Boxing Stadium in Bangkok, Thailand.

ONE Fight Night 9: Nong-O vs. Haggerty is an upcoming combat sports event produced by ONE Championship that will take place on April 21, 2023, at Lumpinee Boxing Stadium in Bangkok, Thailand. A ONE Bantamweight Muay Thai World Championship bout between current champion Nong-O Gaiyanghadao and former ONE Flyweight Muay Thai World Champion Jonathan Haggerty headlined the event.