A
ONE Featherweight Muay Thai World Championship bout between current champion
Petchmorakot Petchyindee and
Jimmy Vienot headlined the event. They met at this event instead scheduled as the co-main event. The quarterfinal bouts of the
ONE Flyweight Muay Thai World Grand Prix Tournament will be held during the event. A ONE Flyweight Muay Thai Grand Prix bout between current ONE Flyweight Muay Thai Champion
Rodtang Jitmuangnon and Jacob Smith was expected to take place at
ONE on TNT 1 in last April, but Smith withdraw from the bout due to injury. The pairing was rebooked for this event. Two lightweight submission grappling matches were announced for the event: between former Featherweight title Challenger
Garry Tonon and
Tye Ruotolo, as well as between Former 2-time
ONE Lightweight Champions Shinya Aoki and Kade Ruotolo. A Heavyweight Kickboxing bout,
Rade Opačić and
Guto Inocente was scheduled for the event. However, the bout was pushed back to
ONE 158 for Inocente tested positive for
COVID-19. A heavyweight bout between
Marcus Almeida and
Oumar Kane was scheduled for
ONE 156. However, Anderson withdraw from the bout for medical reasons. The pairing was rebooked for this event.
Jonathan Haggerty was set to face
Walter Goncalves in the quarter-finals of the
ONE Flyweight Muay Thai World Grand Prix. However, Haggerty was forced to pull out of his bout at the last minute due to health issue and was replaced by Josue Cruz, who had been set to compete in a Grand Prix alternate bout against
Panpayak Jitmuangnon earlier in the card. == Results ==