No amateur results
Professional record| | | 1981 | | Date | Opponent | Place | Result | | = Oct. 18 | Byung Kyu Lee | Seoul, South Korea | Draw 4 | | + Nov. 8 |  Rae-Ki Ahn | Seoul, South Korea | W 4 | | + Dec. 6 | Jae Min Shin | Seoul, South Korea | W 6 | | | | 1982 | | Date | Opponent | Place | Result | | + Feb. 15 | Yong Bon Yun | Seoul, South Korea | KO 1 | | + Mar. 20 | Yun Sik Chae | Wonju City, South Korea | W 6 | | - Mar. 28 | Song Uhm Jae | Seoul, South Korea | L 6 | | | | 1983 | | Date | Opponent | Place | Result | | + Sept. 18 | Sang-Suk Bang | Seoul, South Korea | W 6 | | + Oct. 23 | Chung Dae Lee | Seoul, South Korea | W 6 | | + Dec. 4 | Won Chun Chae | Seoul, South Korea | W 6 | | + Dec. 25 | Jung Suk Kwon | Seoul, South Korea | W 8 | | | | 1984 | | Date | Opponent | Place | Result | | + Feb. 12 | Hoi-Yul Yang | Seoul, South Korea | W 8 | | + Apr. 6 | Chang-Kyun Oh | Seoul, South Korea | W 8 | | + May 13 | Jung Kuk Lee | Seoul, South Korea | W 8 | | + July 13 |  Masaharu Inami | Yokohama, Japan | KO 9 | | + Sept. 9 | Ok-Kyun Yuh | Seoul, South Korea | KO 9 | | South Korea Super Flyweight Title | | - Nov. 3 | Seung Hyun Bang | Seoul, South Korea | L 10 | | South Korea Super Flyweight Title | | | | 1985 | | Date | Opponent | Place | Result | | + Mar. 24 | Byung-Boum Choi | Mokpo, South Korea | KO 2 | | + June 1 |  Edel Geronimo | Incheon, South Korea | W 12 | | vacant OPBF Super Flyweight Title | | | | 1986 | | Date | Opponent | Place | Result | | + Mar. 4 | Sa Yung Kim | Mokpo, South Korea | W 10 | | + Apr. 12 | Chang-Kyun Oh | Youngchun, South Korea | KO 3 | | + May 31 |  Wongso Indrajit | Bucheon, South Korea | KO 5 | | + Aug. 3 | Nongberd Naphataya | Seoul, South Korea | KO 3 | | + Oct. 17 | Ruben De La Cruz | Suwon City, South Korea | KO 7 | | | | 1987 | | Date | Opponent | Place | Result | | + Feb. 15 | Hee-Suk Kim | Bucheon, South Korea | KO 5 | | + May 17 | Soon-Chun Kwon | Busan, South Korea | W 15 | | vacant IBF Super Flyweight Title | | - Oct. 17 | Elly Pical | Jakarta, Indonesia | L 15 | | IBF Super Flyweight Title | | | | 1988 | | Date | Opponent | Place | Result | | + Jan. 24 | Byung-Kwan Chung | Boeun Gun, South Korea | W 12 | | OPBF Super Flyweight Title | | + Mar. 26 | Yossi Amnifu | Namhae, South Korea | W 12 | | OPBF Super Flyweight Title | | + May 22 | Kazuto Kurahachi | Tagawa, Japan | TKO 6 | | OPBF Super Flyweight Title | | + July 24 | Seung Kwan Lee | Pohang City, South Korea | TKO 7 | | OPBF Super Flyweight Title | | | | 1989 | | Date | Opponent | Place | Result | | - Jan. 15 |  Khaosai Galaxy | Samut Prakan, Thailand | KO by 2 | | WBA Super Flyweight Title |
Summary
Total bouts: 31, Won: 26 (11 inside the limit), Lost: 4 (1 inside the limit), Draw: 1, NC: 0, ND: 0
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