Kongsak is now in his mid to late 20's. He's past his prime and I just dont see him having the right style to be dominant internationally like Yod was. Moving up in weight at his age will be forced and effect his performance. I think the new boys that could dominate the international scene are Petpanormung, Superbon, Yodwicha and Rittewada. I don't like Sangmanee either. Never liked him. I think Superlek could be dominant. Needs to work a lot on his boxing tho.