in october, 1975, 21-year-old joko ninomiya returned to japan to compete in the first all-world tournament. in the semi-finals, he once again faced katsuaki satō. after a three-overtime match, satō won the match by judge's decision. satō then won the subsequent title match against hatsuo royama. ninomiya finished in third place. the tournament was filmed for a documentary, called "fighting black kings" that also profiled several of the competitors, including william oliver and willie williams.