No amateur resultsProfessional recordDate | Opponent | Place | Result | 1978 | + Oct. 3 | Youn-Bong Kim | Ryoisan, South Korea | W 4 | + Nov. 19 | Sang-Dai Lee | Seoul, South Korea | W 4 | + Dec. 6 | Sung Il Lee | Seoul, South Korea | W 4 | - Dec. 7 | Chul-Ho Kim | Seoul, South Korea | L 4 | 1979 | + Feb. 14 | Jong-Sung Kim | Seoul, South Korea | W 8 | + Feb. 18 | Hong-Shik Suh | Seoul, South Korea | KO 1 | + Apr. 21 | Toshikazu Higa | Seoul, South Korea | W 8 | + May 20 | Jae-Un Song | Seoul, South Korea | W 8 | + Sept. 20 | Kap-Chul Shin | Busan, South Korea | KO 6 | + Nov. 8 | Shi-Ho Yan | Seoul, South Korea | KO 7 | 1980 | + Feb. 10 | Ryu Takeshi | Seoul, South Korea | KO 8 | = June 6 | Young-Hi Kim | Seoul, South Korea | Draw 10 | + July 26 | Jung-Suk Chang | Seoul, South Korea | KO 7 | + Sept. 13 | Kazumi Sato | Seoul, South Korea | W 10 | + Nov. 11 | Hitoshi Ohashi | Seoul, South Korea | W 10 | 1981 | + June 7 | Rafael Pedroza | Seoul, South Korea | W 12 | - Sept. 12 | Gustavo Ballas | Buenos Aires, Argentina | TKO by 8 | inaugural WBA Super-Flyweight Title | 1982 | + Apr. 11 | Kiyoshi Nagashima | Seoul, South Korea | KO 8 | + July 11 | Sung-Jun Kim | Seoul, South Korea | W 10 | + Nov. 27 | Fel Aporto | Seoul, South Korea | KO 2 | 1983 | + Mar. 6 | Eiji Oyama | Seoul, South Korea | KO 7 | + May 1 | Ric Tanza | Seoul, South Korea | KO 7 | + July 16 | Jun Simbajon | Seoul, South Korea | KO 3 | - Sept. 17 | William Develos | Seoul, South Korea | L 10 | + Dec. 11 | Amado Cabato | Seoul, South Korea | W 10 | 1984 | + Mar. 29 | Lito Donayre | Seoul, South Korea | W 10 | 1985 | + Apr. 27 | Flash Delos Reyes | Seoul, South Korea | KO 8 |
Summary
Total bouts: 27, Won: 23 (11 inside the limit), Lost: 3 (1 inside the limit), Draw: 1, NC: 0
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