A ONE Flyweight World Championship rematch between current three-time champion Adriano Moraes and former UFC Flyweight Champion (also 2019 ONE Flyweight World Grand Prix Champion) Demetrious Johnson headlined the event. The pairing previously met at ONE on TNT 1 in April 2021 where Moraes defeated Johnson by KO in Round 2.

ONE 171: Qatar was a combat sports event produced by ONE Championship that took place on February 20, 2025, at Lusail Sports Arena in Lusail, Qatar. A ONE Strawweight World Championship unification bout and trilogy between current champion Joshua Pacio and former champion (also a current interim champion) Jarred Brooks served as main event.