ONE: Winter Warriors

ONE: Winter Warriors (also known as ONE 148: Eersel vs. Murtazaev) was a Combat sport event produced by ONE Championship that took place on December 3, 2021, at the Singapore Indoor Stadium in Kallang, Singapore.

Background
This event featured a kickboxing title fights. In the headline attraction, the reigning ONE Kickboxing Lightweight Champion Regian Eersel will defend his title for the fourth time against Islam Murtazaev.

The co-main event featured the atomweight women's grand prix final between Stamp Fairtex and Ritu Phogat.

Bonus awards
The following fighters were awarded bonuses:


 * MMA Fight of the Year 2021: Dagi Arslanaliev vs. Timofey Nastyukhin
 * $50,000 Performance of the Night: Dagi Arslanaliev, Timofey Nastyukhin