ONE 166: Qatar was a combat sport event produced by ONE Championship that took place on March 1, 2024, at Lusail Sports Arena in Lusail, Qatar. A ONE Middleweight World Championship bout between current champion Reinier de Ridder (also former ONE Light Heavyweight World Champion) and the ONE Light Heavyweight and Heavyweight Champion Anatoly Malykhin headlined the event.

ONE Fight Night 22: Sundell vs. Diachkova was a combat sport event produced by ONE Championship that took place on May 4, 2024, at Lumpinee Boxing Stadium in Bangkok, Thailand. A ONE Women's Strawweight Muay Thai World Championship bout between current champion Smilla Sundell and Natalia Diachkova headlined the event.

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 25: Nicolas vs. Eersel 2 was a combat sport event produced by ONE Championship that took place on October 5, 2024, at Lumpinee Boxing Stadium in Bangkok, Thailand. A ONE Lightweight Kickboxing World Championship rematch between current champion Alexis Nicolas and former champion (also current ONE Lightweight Muay Thai World Champion) Regian Eersel headlined the event. They previously met at ONE Fight Night 21 in April 2024, where Nicolas won the title by unanimous decision.

ONE 172: Takeru vs. Rodtang was a combat sports event produced by ONE Championship that took place on March 23, 2025, at the Saitama Super Arena in Saitama, Japan. A five-round flyweight kickboxing superfight between former ONE Flyweight Muay Thai World Champion Rodtang Jitmuangnon and former three-divisions K-1 World Champion Takeru Segawa headlined the event.

ONE Fight Night 35: Buntan vs. Hemetsberger was a combat sports event produced by ONE Championship that took place on September 6, 2025, at Lumpinee Boxing Stadium in Bangkok, Thailand. A ONE Women's Strawweight Muay Thai World Championship bout for the vacant title between the current ONE Women's Strawweight Kickboxing World Champion Jackie Buntan and Stella Hemetsberger headlined the event.