ONE: Winter Warriors II

ONE: Winter Warriors II (also known as ONE 149: Philippines vs. the World) was a Combat sport event produced by ONE Championship that took place on December 3, 2021 and aired on December 17, 2021, at the Singapore Indoor Stadium in Kallang, Singapore.

Background
The event was headlined by a flyweight bout between former ONE Flyweight World Champion Kairat Akhmetov and Danny Kingad.

A bantamweight bout between Kwon Won Il and former ONE Bantamweight Champion Kevin Belingon served as the co-main event.

Former ONE Middleweight World Champion Vitaly Bigdash and Fan Rong took place at a catchweight of 209 pounds.