This belt battle for the 13th WBC Muay Thai Diamond Belt happened at Rajadamnern Stadium on July 1st. It was the ending of the Amazing Muay Thai Festival 2026 in Bangkok Thailand. Sitthichai Sitsongpeenong is a storied fighter with a long history in kickboxing and Muay Thai. Luis Cajaiba is an experienced stadium circuit fighter out of SRG. He spent formative years at Phuket Fight Club before moving to SRG in Australia.