No amateur resultsProfessional record| Date | Opponent | Place | Result | | 1985 | | + June 1 | Won-Ho Lee | Incheon, South Korea | KO 1 | | + June 29 | In-Kwang Kang | Seoul, South Korea | KO 3 | | + Dec. 13 | In-Kwang Kang | Daegu, South Korea | W 6 | | 1986 | | + May 31 | Hyun-Jong Yuh | Bucheon, South Korea | W 6 | | + July 26 | Jong-Koo Lee | Osan City, South Korea | KO 1 | | + Oct. 17 | Byung-Kap Kim | Suwon City, South Korea | W 8 | | 1987 | | + Feb. 22 | Nam-Chul Kim | Seoul, South Korea | W 8 | | + Apr. 18 | Hi-Chul Kim | KR , | TKO 2 | | + June 14 | Jae-Ki Lee | Bukok, South Korea | TKO 2 | | + July 4 | Petchainart Donjadee | Seoul, South Korea | W 10 | | + Aug. 30 | No Sung Choi | KR , | TKO 2 | | + Oct. 31 | Yuenyong Sithprasong | Iri, South Korea | W 10 | | 1988 | | + Jan. 10 | Romeo Opriasa | Busan, South Korea | W 10 | | + Apr. 9 | Seung-Yup Kang | Chinju, South Korea | TKO 1 | | + June 5 | Yong-Ki Cho | Ulsan, South Korea | KO 4 | | + Aug. 21 | Chan Woo Yang | Uijeongbu City, South Korea | TKO 7 | | + Dec. 4 | Dae-Chul Chun | Gwangju City, South Korea | KO 2 | | 1989 | | + Mar. 1 | Jesus Rojas | Seoul, South Korea | W 10 | | + July 23 | Chang Ho Chun | Seoul, South Korea | KO 2 | | + Oct. 8 | Veerachai Vongprasert | Busan, South Korea | KO 7 | | 1990 | | + Mar. 25 | Duk Soo Kim | Gyeonggi-do, South Korea | KO 2 | | + June 17 | Linglom Sorthospol | Seoul, South Korea | KO 4 | | + Sept. 23 | Jerry Tarona | KR , | TKO 3 | | 1991 | | + Apr. 6 | Veerachai Vongprasert | Seoul, South Korea | KO 5 | | + July 28 | Sergio Pepito | Seoul, South Korea | W 10 | | + Dec. 14 | Mario Parcon | Gwangju City, South Korea | KO 3 | | 1992 | | + Aug. 23 | Rolando Pascua | Seoul, South Korea | KO 7 | | - Oct. 20 | Yuri Arbachakov | JP , | L 12 | | WBC Flyweight Title |
Summary
Total bouts: 28, Won: 27 (18 inside the limit), Lost: 1 (0 inside the limit), Draw: 0, NC: 0
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