ONE Friday Fights 9: Eersel vs. Sinsamut 2 (also known as ONE Lumpinee 9) was a combat sports event produced by ONE Championship that took place on March 17, 2023, at Lumpinee Boxing Stadium in Bangkok, Thailand.
[1][2] A ONE Lightweight Muay Thai World Championship rematch between current champion Regian Eersel (also current ONE Lightweight Kickboxing Champion) and former title challenger Sinsamut Klinmee headlined the event.
[1] The pair previously fought at ONE on Prime Video 3 in October 2022, which Eersel won by split decision.
[3] [4] The following fighters were awarded bonuses.
[5][6]