Rajadamnern Stadium
On February 9, 2006, Kaolai challenged Lamsongkram Chuwattana for his Rajadamnern Stadium at Middleweight. He was in the lead from the start until 3R, but he suddenly lost his stamina during 4R. In result, Lamsongkram came from behind and won the bout because he made up his score at 4R and 5R.