Sung Nak-woon Nationality Date of birth 1926-02-02 Date of death 1997-05-28 (71) 1975/78 Friendlies Finished matches Referee Friendlies 1 Feb 1976 - 14:00 Friendlies Japan 0 3 Bulgaria Friendlies 28 Jan 1976 - 14:00 Friendlies Japan 1 1 Bulgaria Friendlies 25 Jan 1976 - 13:30 Friendlies Japan 1 3 Bulgaria
