ONE Championship: Heavy Hitters was a Combat sport event held by ONE Championship on January 14, 2022 at the Singapore Indoor Stadium in Kallang, Singapore. The event will be headlined by a Women's Strawweight championship bout between reigning Champion Xiong Jingnan and challenger Ayaka Miura. The co main event will feature a kickboxing title fight, the reigning ONE Kickboxing Light Heavyweight Champion Roman Kryklia will defend his title for the second time against Murat Aygün.[2] The two were originally scheduled to fight at ONE Championship: Big Bang last year.