ONE Championship’s ONE Fight Night 34 is set to deliver a night of world-class action at Lumpinee Boxing Stadium in Bangkok, Thailand on Friday, August 1, 2025. The main event promises to be one of the most anticipated matchups in the world of combat sports as Regian Eersel, the reigning ONE Muay Thai Lightweight World Champion, defends his title against George Jarvis, a rising star from England.