ONE Friday Fights 51: Rambolek vs. Şen is a combat sports event produced by ONE Championship that took place on February 9, 2024, at Lumpinee Boxing Stadium in Bangkok, Thailand. A bantamweight muay thai bout between former Super Lightweight (140 lbs) Channel 7 Stadium champion Rambolek Chor.Ajalaboon and Soner Şen served as the event headliner.