I roto i te 1972 Asian Cup, Cha scored a goal as South Korea reached the final before losing to Iran. Ko ia te wahi o te South Korean motu kapa i roto i te 1978 Asian Games, i reira i te kapa tahi riro te mētara koura ki te North Korea e tika ana ki te mutunga i roto i te kore-wāhi tākaro. Ko tona whakataetae ao whakamutunga ko te 1986 FIFA World Cup finals i Mexico, te putanga tuatahi o Korea ki te Tonga mai i 1954. Cha i mahue i te tākaro ao, engari i akiakihia ki te hoki mai mo te whakataetae. South Korea ngaro ki Argentina me Itari, engari i tākaro ki Bulgaria. i tino mōhio nga kapa hoa riri o Cha's āheinga scoring, me te riri ia e rua kaitiaki i runga i a ia i nga wa katoa, a haere ana ia kore-wāhi i roto i te whakataetae. titiro hoki, ka mea ia, "Kahore i riro ia tatou i to tatou pakanga tuatahi, engari kihai i pai rite tākaro matou pakeke, me te kapa pai i roto i te ao, tae atu ki te Argentina, i riro i te toa whutupaoro ao".
Ngā whiringa toa o te Ipu o te Ao 1986