Lamsongkram Chuwattana is the former WBC world Muay Thai Champion, former WMC world champion, former Rajadamnern Stadium champion. He is also the S-1 2004 Champion. He fights at 72.5 kg, so he's one of the heavier Thais. He is known for strong clinch techniques utilizing knees and elbows.
Yohan Lidon is a strong French fighter who has challenged Lamsongkram for his WBC title once before, and failed.