Before ONE Featherweight Kickboxing World Champion Superbon Singha Mawynn defends his crown against surging #1-ranked contender Marat Grigorian at ONE X on 26 March, relive his SHOCKING knockout of Italian kickboxing great Giorgio Petrosyan in 2021! #ONEX | 26 March | PPV: 8PM SGT/8AM ET | Part II: 5PM SGT/5AM ET | Part I: 1PM SGT/1AM ET Order PPV: https://watch.onefc.com/ | Part I & II Also On ONE YouTube Get Your Tix: https://bit.ly/ONEXTickets #ONEChampionship Subscribe to ONE Championship on YouTube: http://bit.ly/ONECHAMPIONSHIP Connect with ONE Championship: ONE Super App: http://bit.ly/ONESuperApp Website: https://onefc.com/ Facebook: https://www.facebook.com/ONEChampionship Twitter: https://twitter.com/ONEChampionship Instagram: https://www.instagram.com/ONEChampionship TikTok: https://www.tiktok.com/@onechampionship