Superstar strikers take center stage at ONE 161! In the main event, 4-time ONE Featherweight Muay Thai World Champion Petchmorakot Petchyindee defends his belt against the phenomenal Tawanchai PK.Saenchai. Plus, the ONE Heavyweight Kickboxing World Grand Prix kicks off, featuring some of the biggest names in the sport including ONE Light Heavyweight Kickboxing World Champion Roman Kryklia, who takes on the hard-hitting Guto Inocente.