The debut event of the series featured the
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. The pair previously fought at
ONE on TNT 1 in April 2021 where Moraes defeated Johnson by KO in Round 2. A
ONE Bantamweight Muay Thai World Championship bout between current champion
Nong-O Gaiyanghadao and
Liam Harrison was the co-main event at the show. The event was to feature a semi-final of the
ONE Flyweight Muay Thai World Grand Prix between current
ONE Flyweight Muay Thai World Champion Rodtang Jitmuangnon and
Savvas Michael with the winner advancing to the World Grand Prix final. However, Rodtang was forced to withdraw due to failed to provide a sample for the organization’s mandatory hydration test and was not permitted to weigh in and was replaced by
Panpayak Jitmuangnon who scheduled against Sherzod Kabutov in preliminary card. A Flyweight Muay Thai bout between former
ONE Flyweight Muay Thai World Champion Jonathan Haggerty and Amir Naseri was expected to take place at the event. However, Haggerty forced to withdraw from the contest due to a non-COVID related illness and the bout was cancelled. At the weigh-ins, two fighters missed weight for their respective bouts.
Itsuki Hirata weighed in at 119.25 pounds, 4.25 lbs over the
Atomweight non-title fight limit. Zebaztian Kadestam weighed in at 188.5 pounds, 3.5 lbs over the
Welterweight non-title fight limit. Both bouts proceeded at catchweight. Kadestam was fined 30% of their purse, which went to their opponent Iuri Lapicus; Hirata was fined 50% of their purse, which went to their opponent Lin Heqin. ==Results==