Kao Roomchang and Luk Vibol both won their respective Group A matches Sunday in the light-middleweight tournament at the TV5 Boxing arena in Takhmao. Kao Roomchang gave a tremendous beating to Kao Bunheng but scored no knockdowns on his way towards earning the decision and improving his record to 2-0. Kao Bunheng dropped to 1-1. In the second bout, Luk Vibol outpointed Sarim Vonthon to improve to 1-1. Sarim Vonthon remains winless. The next round for Group A is scheduled for February 14, when Kao Bunheng meets Luk Vibol and Kao Roomchang faces Sarim Vonthon. Group B meets Sunday, when Long Sophy takes on Pom Saray and Nuon Phireak steps in against Les Tuk.