▁Football ▁Tournament ▁was ▁held , ▁and ▁in ▁ 1 9 2 8 , ▁the ▁Jose on ▁Football ▁Association ▁( J FA ) ▁was ▁organized , ▁which ▁created ▁a ▁foundation ▁to ▁dis sem inate ▁and ▁develop ▁football ▁in ▁Korea . ▁Korean ▁teams ▁participated ▁in ▁compet itions ▁with ▁Japanese ▁teams ▁from ▁around ▁ 1 9 2 6 ; ▁Jose on ▁Football ▁Club ▁became ▁a ▁de ▁fact o ▁national ▁team ▁for ▁Kore ans , ▁and ▁won ▁the ▁ 1 9 3 5 ▁Japanese ▁national ▁championship . ▁Kore ans ▁also ▁played ▁on ▁the ▁Japanese ▁national ▁team , ▁most ▁not ably ▁Kim ▁Y ong - s ik ▁who ▁played ▁for ▁Japan ▁at ▁the ▁ 1 9 3 6 ▁Summer ▁Olympics ; ▁Japan ' s ▁last ▁pre war ▁national ▁team ▁in ▁ 1 9 4 0 ▁had ▁two ▁Korean ▁players , ▁Kim ▁Y ong - s ik ▁and ▁Kim ▁S ung - gan . ▁ ▁The ▁J FA ▁was ▁re organ ized ▁in ▁ 1 9 4 5 ▁as ▁Japanese ▁occupation ▁ended ▁with ▁the ▁close ▁of ▁World ▁War ▁II . ▁Following ▁the ▁establishment ▁of ▁the ▁South ▁Korean ▁state ▁in ▁the ▁late ▁ 1 9 4 0 s , ▁a ▁new ▁Korea ▁Football ▁Association ▁( K FA ) ▁was ▁founded ▁in ▁ 1 9 4 8 ▁and ▁joined ▁FIFA , ▁the ▁international ▁football ▁gover ning ▁body . ▁The ▁same ▁year , ▁the ▁South ▁Korean ▁national ▁team ▁made ▁its ▁international ▁debut ▁and ▁won ▁ 5 – 3 ▁against ▁Mexico ▁at ▁the ▁ 1 9 4 8 ▁Summer ▁Olympics ▁in ▁London .