ONE Championship returns to the Istora Senayan for a battle featuring two renowned Muay Thai World Champions: veteran Thai legend Sam-A Gaiyanghadao will be defending his ONE Flyweight Muay Thai World Title against phenom Jonathan Haggerty, a rising young warrior from the UK. Making his ONE Championship debut will be Japanese martial arts icon Yushin Okami, who is joined on the card by superstars the likes of former ONE Featherweight World Champion Marat Gafurov, Muay Thai World Champion Yodpanomrung Jitmuangnon, and Indonesian superstar Priscilla Hertati Lumban Gaol.