No amateur results
Professional record| | | 1977 | | Date | Opponent | Place | Result | | - Sept. 30 | Kee-Bong Koh | Seoul, South Korea | KO by 3 | | + Nov. 6 | Kap-Chul Shin | Seoul, South Korea | W 4 | | + Dec. 16 | Yung-Shik Moon | Seoul, South Korea | KO 1 | | + Dec. 19 | Chong-Kyu Kim | Seoul, South Korea | W 6 | | + Dec. 24 | Sung Kuk Lee | Seoul, South Korea | KO 3 | | | | 1978 | | Date | Opponent | Place | Result | | + Feb. 12 | Chung-Woon Moon | Seoul, South Korea | KO 3 | | + May 13 | Mikio Uchida | Seoul, South Korea | KO 2 | | + Oct. 3 | Nobuyuki Watanabe | Seoul, South Korea | KO 1 | | + Nov. 18 | Kriengkrai Yingsak | Seoul, South Korea | KO 2 | | | | 1979 | | Date | Opponent | Place | Result | | + Jan. 14 | Tito Abella | Busan, South Korea | KO 5 | | + Mar. 11 | Flash Jagdon | Seoul, South Korea | KO 2 | | + Aug. 26 | William Develos | Seoul, South Korea | KO 5 | | + Nov. 18 | Chikara Igarashi | Seoul, South Korea | KO 4 | | | | 1980 | | Date | Opponent | Place | Result | | + Feb. 17 | Luis Ibarra | Seoul, South Korea | KO 2 | | WBA Flyweight Title | | + June 29 | Arnel Arrozal | Seoul, South Korea | W 15 | | WBA Flyweight Title | | - Dec. 13 | Peter Mathebula | Los Angeles, United States | L 15 | | WBA Flyweight Title | | | | 1981 | | Date | Opponent | Place | Result | | + Apr. 12 | Henry Balina | Seoul, South Korea | KO 2 | | - Aug. 30 | Antonio Avelar | Seoul, South Korea | KO by 2 | | WBC Flyweight Title | | | | 1982 | | Date | Opponent | Place | Result | | + Feb. 13 | Kazuyoshi Funaki | Daegu, South Korea | KO 5 | | + Sept. 4 | Roberto Ramirez
| Daegu, South Korea | W 10 |
Summary
Total bouts: 20, Won: 17 (13 inside the limit), Lost: 3 (2 inside the limit), Draw: 0, NC: 0, ND: 0
|