Kammala wannan jumla: A ranar 12 ga Fabrairu, 1974, lokacin da Ishii yake dalibi a Jami'ar Chuo, ya fara bugawa tawagar kasar Japan wasa da Singapore. A watan Satumba, Japan ta zaɓe shi don
Wasannin Asiya na shekarar 1974. Ya kuma buga wasan neman shiga gasar cin kofin duniya ta 1978. Ya buga wasanni 15 don Japan har zuwa 1979.