ONE 163: Akimoto vs. Petchtanong, added a co-main event with the ONE Heavyweight Kickboxing World Grand Prix fight.
Reigning champion, Roman Kryklia and Iranian contender Iraj Azizpour will clash in a trilogy fight for the silver belt in Singapore. Both fighters are tied 1-1 in their H2H, and they have the opportunity to settle their score.
Other confirmed combats for ONE 163 are:
