ONE Fight Night 20 took place Friday, March 8, 2024 with 9 fights at Lumpinee Boxing Stadium in Bangkok, Thailand.

ONE Fight Night 24: Brooks vs. Balart was a combat sport event produced by ONE Championship that took place on August 3, 2024, at Lumpinee Boxing Stadium in Bangkok, Thailand. The event was headlined by an interim ONE Strawweight World Championship bout between former champion Jarred Brooks and Gustavo Balart. A ONE Women's Atomweight Submission Grappling World Championship bout between current champion Danielle Kelly and multiple-time IBJJF World Champion Mayssa Bastos took place at co-main event.

ONE Fight Night 26: Lee vs. Rasulov was a combat sports event produced by ONE Championship that took place on December 7, 2024, at Lumpinee Boxing Stadium in Bangkok, Thailand. A ONE Lightweight World Championship bout between current champion (also the ONE Welterweight Champion and ONE Lightweight World Grand Prix winner) Christian Lee and Alibeg Rasulov headlined the event.