No amateur results
Professional record| | | 1978 | | Date | Opponent | Place | Result | | - Oct. 8 | Mun-Pyo Chang | Seoul, South Korea | L 4 | | + Nov. 17 | Chong-Soo Kim | Seoul, South Korea | W 4 | | + Dec. 6 | Hee-Baek Lee | Seoul, South Korea | W 4 | | + Dec. 8 | Man-Soo Han | Seoul, South Korea | W 4 | | - Dec. 9 | Mun-Pyo Chang | Seoul, South Korea | L 4 | | | | 1979 | | Date | Opponent | Place | Result | | + Jan. 12 | Jae-Young Song | Seoul, South Korea | W 6 | | + Mar. 10 | Kwon-Song Chung | Seoul, South Korea | W 6 | | + July 12 | Mun-Pyo Chang | Seoul, South Korea | W 6 | | + Nov. 24 | Chong-Sok Chang | Daegu, South Korea | W 8 | | | | 1980 | | Date | Opponent | Place | Result | | + Jan. 27 | Satoshi Koguchi | Osaka, Japan | W 6 | | + Apr. 13 | Jae-Hun Lee | Daegu, South Korea | W 8 | | + June 21 | II-Nam Lim | Seoul, South Korea | KO 7 | | | | 1981 | | Date | Opponent | Place | Result | | + Apr. 5 | Kwong-Yul Yuh | Seoul, South Korea | W 8 | | + June 21 | Ryong Yun | Seoul, South Korea | W 6 | | + Aug. 16 |  Ki-young Chung | Seoul, South Korea | W 10 | | vacant South Korean Super Bantamweight Title | | + Nov. 29 | Kyo-Sok Han | Seoul, South Korea | W 10 | | | | 1982 | | Date | Opponent | Place | Result | | + Feb. 21 | Kongkiat Sithmanoon | Seoul, South Korea | KO 3 | | + Apr. 18 | Dado Muryado | Seoul, South Korea | KO 2 | | + July 18 | Duk-Hwan Bae | Seoul, South Korea | TKO 9 | | + Oct. 31 | Byung-Kuk Oh | Masan City, South Korea | KO 7 | | | | 1983 | | Date | Opponent | Place | Result | | + Feb. 20 | Sandy Noora | Seoul, South Korea | KO 5 | | + June 17 | Chris Maratas | Seoul, South Korea | KO 1 | | - Dec. 4 |  Bobby Berna | Seoul, South Korea | TKO by 10 | | vacant IBF Super Bantamweight Title | | | | 1984 | | Date | Opponent | Place | Result | | + Apr. 15 | Bobby Berna | Seoul, South Korea | TKO 10 | | IBF Super Bantamweight Title | | + July 8 |  Cleo Garcia | Seoul, South Korea | KO 4 | | IBF Super Bantamweight Title | | | | 1985 | | Date | Opponent | Place | Result | | - Jan. 3 | Ji-Won Kim | Seoul, South Korea | KO by 10 | | IBF Super Bantamweight Title | | - Oct. 9 | Ji-Won Kim | Seoul, South Korea | KO by 1 | | IBF Super Bantamweight Title |
Summary
Total bouts: 27, Won: 22 (9 inside the limit), Lost: 5 (3 inside the limit), Draw: 0, NC: 0, ND: 0
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