No amateur resultsProfessional record| Date | Opponent | Place | Result | | 1971 | | - Dec. 28 | In-Soo Lim | Seoul, South Korea | L 4 | | 1972 | | = Feb. 5 | In-Soo Lim | Seoul, South Korea | Draw 4 | 1973
Inactive | | 1974 | | + June 6 | Yung-Woon Lee | Busan, South Korea | W 4 | | - June 7 | Hak-Soo Suh | Busan, South Korea | L 4 | | + Sept. 4 | Shi-Ho Kim | Daegu, South Korea | KO 5 | | + Dec. 28 | Yung-Woon Lee | Seoul, South Korea | W 4 | | 1975 | | + Mar. 30 | Yong Keun Lee | Daegu, South Korea | KO 2 | | + Apr. 19 | Chun-Woo Lee | Busan, South Korea | W 8 | | - June 7 | Little Park | Seoul, South Korea | L 10 | | + July 23 | Han Soo Lee | Busan, South Korea | KO 3 | | + Aug. 31 | Myung-An Moon | Busan, South Korea | W 10 | | Korean Light Flyweight Title | | + Nov. 23 | Ki Hyung Lee | Busan, South Korea | W 10 | | Korean Light Flyweight Title | | 1976 | | + Jan. 25 | Little Park | Busan, South Korea | W 10 | | Korean Light Flyweight Title | | = June 24 | Yong Hwan Kim | Seoul, South Korea | Draw 8 | | + Sept. 1 | Ki Hyung Lee | Seoul, South Korea | KO 4 | | + Nov. 27 | Suriya Patumwadee | Chongju, South Korea | KO 5 | | 1977 | | + Jan. 22 | Little Park | Seoul, South Korea | W 10 | | Korean Light Flyweight Title | | - Feb. 15 | Shoji Oguma | Tokyo, Japan | L 10 | | + Mar. 27 | Mak Dong Kim | Daegu, South Korea | W 10 | | Korean Light Flyweight Title | | - Apr. 19 | Kazunori Tenryu | Tokyo, Japan | L 10 | | = July 15 | Yong-Hyun Kim | Seoul, South Korea | Draw 10 | | + Aug. 10 | Ryuji Iwamoto | Busan, South Korea | W 10 | | + Nov. 4 | Demetrio Alferez | Seoul, South Korea | KO 7 | | + Dec. 28 | Kyung Ju Ha | Seoul, South Korea | KO 5 | | 1978 | | + Jan. 29 | Sang-Il Chung | Seoul, South Korea | W 12 | | OPBF Light Flyweight Title | | + Mar. 27 | Kazunori Tenryu | Seoul, South Korea | KO 3 | | OPBF Light Flyweight Title | | = May 6 | Franco Torregoza | Busan, South Korea | Draw 10 | | + June 15 | Eddie Carazal | Seoul, South Korea | KO 10 | | - July 9 | Sang-Il Chung | Seoul, South Korea | L 12 | | OPBF Light Flyweight Title | | + Sept. 30 | Netrnoi Sor Vorasingh | Seoul, South Korea | KO 3 | | WBC Light Flyweight Title | | + Nov. 30 | Ric Barimbad | Seoul, South Korea | W 10 | | 1979 | | = Mar. 30 | Hector Melendez | Seoul, South Korea | Draw 15 | | WBC Light Flyweight Title | | + Apr. 24 | Peter Siscon | Seoul, South Korea | KO 4 | | + June 3 | Jiro Takada | Seoul, South Korea | W 10 | | + July 28 | Siony Carupo | Seoul, South Korea | W 15 | | WBC Light Flyweight Title | | + Oct. 21 | Hector Melendez | Seoul, South Korea | W 15 | | WBC Light Flyweight Title | | 1980 | | - Jan. 3 | Shigeo Nakajima | Tokyo, Japan | L 15 | | WBC Light Flyweight Title | | - May 9 | Seung-Hoon Lee | Seoul, South Korea | L 10 | | = June 20 | Hong Soo Yang | Seoul, South Korea | TDraw 6 | | - July 28 | Shoji Oguma | Tokyo, Japan | L 15 | | WBC Flyweight Title | | + Sept. 26 | Arnel Arrozal | Seoul, South Korea | W 10 | | 1981 | | + Jan. 11 | Bemi Dayodan | Daegu, South Korea | KO 1 | | - Feb. 22 | Miguel Canto | Merida, Mexico | L 10 | | - Apr. 6 | Rafael Orono | Caracas, Venezuela | L 10 | | - May 13 | Hector Melendez | Santo Domingo, Dominican Republic | L 10 | | - June 27 | Hong Soo Yang | Busan, South Korea | L 10 | | + Dec. 6 | Kiyoshi Nagashima | Gwangju City, South Korea | KO 9 | | 1982 | | - July 11 | Sok-Chul Bae | Seoul, South Korea | L 10 |
Summary
Total bouts: 48, Won: 28 (13 inside the limit), Lost: 14 (0 inside the limit), Draw: 6, NC: 0
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