No amateur results
Professional record| | | 1987 | | Date | Opponent | Place | Result | | + July 18 | Sung-Kyu Park | Boeun Gun, South Korea | KO 3 | | + Aug. 15 | Dae-Chul Chun | Seoul, South Korea | W 8 | | + Dec. 27 |  In-Kyu Hwang | Uijeongbu City, South Korea | W 10 | | | | 1988 | | Date | Opponent | Place | Result | | + Apr. 10 | Sam-Joong Lee | Seoul, South Korea | W 12 | | vacant OPBF Minimumweight Title | | | | 1989 | | Date | Opponent | Place | Result | | + Oct. 29 | Chiba Tenoria | Daegu, South Korea | W 12 | | OPBF Minimumweight Title | | | | 1990 | | Date | Opponent | Place | Result | | + Jan. 21 | Kom Sorthanikul | Seoul, South Korea | KO 5 | | OPBF Minimumweight Title | | + May 12 | Hitoshi Taniuchi | Seoul, South Korea | TKO 7 | | + July 21 | Diego Onglao | Gwangju City, South Korea | KO 2 | | + Nov. 10 | Roger Gamayot | Jeju, South Korea | KO 1 | | | | 1991 | | Date | Opponent | Place | Result | | + Feb. 2 | Bong-Jun Kim | Busan, South Korea | W 12 | | WBA Minimumweight Title | | + June 15 |  Sugar Ray Mike | Seoul, South Korea | W 12 | | WBA Minimumweight Title | | + Oct. 26 | Bong-Jun Kim | Seoul, South Korea | W 12 | | WBA Minimumweight Title | | | | 1992 | | Date | Opponent | Place | Result | | + Feb. 22 |  Yuichi Hosono | Seoul, South Korea | TKO 10 | | WBA Minimumweight Title | | + June 13 | Rommel Lawas | Incheon, South Korea | TKO 3 | | WBA Minimumweight Title | | - Oct. 14 | Hideyuki Ohashi | Tokyo, Japan | L 12 | | WBA Minimumweight Title | | | | 1993 | | Date | Opponent | Place | Result | | + Dec. 4 | Nilo Anosa | Gwangmyeong City, South Korea | KO 7 | | | | 1994 | | Date | Opponent | Place | Result | | + May 22 | Alpong Navaja | Seoul, South Korea | W 10 | | + Aug. 28 | Mongkonchai Sathiragym | Seoul, South Korea | W 10 | | | | 1995 | | Date | Opponent | Place | Result | | + Feb. 4 |  Leo Gamez | Ulsan, South Korea | W 12 | | WBA Light Flyweight Title | | + Sept. 5 | Keiji Yamaguchi | Osaka, Japan | W 12 | | WBA Light Flyweight Title | | | | 1996 | | Date | Opponent | Place | Result | | - Jan. 13 |  Carlos Murillo | Miami, United States | L 12 | | WBA Light Flyweight Title |
Summary
Total bouts: 21, Won: 19 (8 inside the limit), Lost: 2 (0 inside the limit), Draw: 0, NC: 0, ND: 0
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