ONE Fight Night 8

[7] A ONE Flyweight Kickboxing World Championship bout between current champion Superlek Kiatmuu9 and current ONE Flyweight Muay Thai Champion, #1 ranking contender Rodtang Jitmuangnon was promoted to the new main event.

Williams was scheduled to fight Rui Botelho and was replaced by Aslanbek Zikreev at a catchweight of 127 pounds.

[10] The pairing was previously scheduled to meet at ONE on Prime Video 5, but Todd pulled out from the event due to tests positive for COVID-19.

[12] The pairing was previously scheduled to meet at ONE 163, but the bout was scrapped for Hirata failed weight and hydration.

[13][14] Reigning flyweight submission grappling champion Mikey Musumeci's sister Tammi Musumeci was booked to make her promotional debut at the event, taking on Bianca Basilio in a strawweight bout.