| No amateur resultsProfessional record| Date | Opponent | Place | Result |  | 1979 |  | - Nov. 21 | Hyung Duk Choi | Seoul, South Korea | L 4 |  | 1980 |  | + Feb. 3 | Yong Chang Yuh | Seoul, South Korea | W 4 |  | + June 21 | Myung-Ki Lee | Seoul, South Korea | KO 1 |  | + Sept. 24 | Hyun Suk Lee | Seoul, South Korea | KO 3 |  | + Oct. 17 | Jae Keun Yuh | Seoul, South Korea | KO 1 |  | + Nov. 18 | Jae Il Yang | Seoul, South Korea | KO 2 |  | + Nov. 21 | Tae Woo Hwan | Seoul, South Korea | W 4 |  | + Nov. 23 | Sok Sun Lim | Seoul, South Korea | KO 3 |  | + Nov. 30 | Mu-Sok Hwang | Seoul, South Korea | W 4 |  | + Dec. 7 | Taek Chong Chang | Seoul, South Korea | KO 3 |  | 1981 |  | + Mar. 15 | Sok Sun Lim | Seoul, South Korea | KO 3 |  | + Apr. 26 | Jae-Hyung Yuh | Daegu, South Korea | KO 2 |  | + Aug. 16 | Joe Lim | Seoul, South Korea | W 10 |  | + Sept. 27 | Leo Casino | Seoul, South Korea | KO 4 |  | 1982 |  | + Aug. 21 | Wung Sup Suh | Seoul, South Korea | KO 6 |  | South Korea Welterweight Title |  | 1983 |  | + Jan. 18 | Jae Yong Park | Seoul, South Korea | KO 7 |  | South Korea Welterweight Title |  | + June 17 | Yung-Kil Chung | Seoul, South Korea | W 10 |  | South Korea Welterweight Title |  | + Sept. 4 | Chong-Won Park | Seoul, South Korea | KO 9 |  | South Korea Welterweight Title |  | 1984 |  | + Feb. 5 | Yung-Kil Chung | Seoul, South Korea | W 10 |  | South Korea Welterweight Title |  | + Mar. 25 | Mar Simbajon | Seoul, South Korea | KO 5 |  | + June 17 | Keon Soo Park | Seoul, South Korea | KO 1 |  | + July 12 | Sergio Sanchez | Los Angeles, United States | TKO 3 |  | + Sept. 23 | Nilo Acido | Seoul, South Korea | KO 4 |  | 1985 |  | + Jan. 3 | Lito Vasquez | Seoul, South Korea | TKO 4 |  | + Mar. 24 | Willie Makitoki | Seoul, South Korea | KO 2 |  | + July 7 | Sil Sarana | Seoul, South Korea | KO 3 |  | + Oct. 27 | Fernando Gloria | Seoul, South Korea | W 10 |  | 1986 |  | + Feb. 14 | Petchsayarm Petcharoen | Seoul, South Korea | KO 2 |  | + Aug. 9 | Dionisio Castillo | Seoul, South Korea | KO 4 |  | 1987 |  | + Feb. 15 | Jun-Suk Hwang | Wonju City, South Korea | TKO 6 |  | OPBF Welterweight Title |  | - Mar. 29 | Yung-Kil Chung | Wonju City, South Korea | L 12 |  | OPBF Welterweight Title |  | + Aug. 1 | Boy Romero | Suwon City, South Korea | KO 4 |  | 1988 |  | + Apr. 24 | Francisco Ferrer | Seoul, South Korea | W 10 |  | 1989 |  | - Feb. 4 | Mark  Breland | Las Vegas, United States | TKO by 1 |  | vacant WBA Welterweight Title |  | - Aug. 13 | Jun-Suk Hwang | Incheon, South Korea | L 10 | 
   SummaryTotal bouts: 35, Won: 31 (23 inside the limit), Lost: 4 (1 inside the limit), Draw: 0, NC: 0 |