▁ 2 0 0 9 , ▁Th ai ▁clubs ▁once ▁again ▁entered . ▁ ▁G : ▁Group ▁round , ▁Q : ▁Qu arter final s , ▁S : ▁Sem if inal , ▁R : ▁Run ner - up , ▁W : ▁W inner ▁ ▁Asian ▁Cup ▁W inners ▁Cup ▁ ▁Part icip ations ▁ ▁The ▁Asian ▁Cup ▁W inner ▁Cup ▁started ▁in ▁ 1 9 9 1 , ▁although ▁Th ai ▁clubs ▁did ▁not ▁enter ▁until ▁ 1 9 9 5 . ▁There ▁was ▁no ▁Th ai ▁entr ant ▁in ▁ 1 9 9 7 . ▁The ▁competition ▁became ▁def unct ▁in ▁ 2 0 0 2 . ▁Th ai ▁clubs ▁generally ▁entered ▁at ▁the ▁ 2 nd ▁round . ▁▁ 2 : ▁ 2 nd ▁round , ▁Q : ▁Qu arter final s , ▁S : ▁Sem if inal , ▁R : ▁Run ner - up , ▁W : ▁W inner ▁ ▁References ▁▁ ▁The ▁Football ▁History ▁Association ▁of ▁Th ailand ▁▁ ▁Th ai ▁Premier ▁League ▁F AT ▁ ▁External ▁links ▁ ▁Football ▁Association ▁of ▁Th ailand ▁▁ ▁The ▁Football ▁History ▁Association ▁of ▁Th ailand ▁▁ ▁Th ai ▁Premier ▁League ▁FIFA ▁ ▁Th ailand ▁- ▁List ▁of ▁Champions ▁R SS SF ▁ ▁Th ai ▁football ▁blog ▁ ▁Category : Foot ball ▁in ▁Th ailand ▁Category : Associ ation ▁football ▁in ▁Th ailand ▁lists ▁Category : Associ ation ▁football ▁records ▁and ▁statistics ▁by ▁country ▁Football <0x0A> </s> ▁The ▁Battle ▁of ▁W anna ▁was ▁a ▁March ▁ 2 0 0 4 ▁military ▁eng agement