No amateur results
Professional record| | | 1977 | | Date | Opponent | Place | Result | | + July 30 | Dong-Sung Park | Seoul, South Korea | W 4 | | + Sept. 30 | Yung-Shik Moon | Seoul, South Korea | KO 1 | | - Nov. 6 | Hwan-Jin Kim | Seoul, South Korea | L 6 | | + Dec. 20 | Young Shik Chung | Seoul, South Korea | W 6 | | | | 1978 | | Date | Opponent | Place | Result | | + Feb. 26 | Jong-Man Kim
| Seoul, South Korea | KO 2 | | + Oct. 3 | Man-Oh Kim | Seoul, South Korea | W 8 | | + Dec. 20 | Yong Hwan Kim | Seoul, South Korea | W 10 | | vacant South Korean Flyweight Title | | | | 1979 | | Date | Opponent | Place | Result | | - Feb. 10 | Netrnoi Sor Vorasingh | Bangkok, Thailand | L 10 | | + Apr. 7 | Peter Siscon | Busan, South Korea | W 10 | | + May 15 | Prudencio Cardona | Seoul, South Korea | W 10 | | + Sept. 29 | Larry Enriquez | Seoul, South Korea | W 10 | | + Nov. 11 | Chancheong Borkorsor | Busan, South Korea | W 10 | | + Nov. 30 | Jose Tito | Seoul, South Korea | W 10 | | | | 1980 | | Date | Opponent | Place | Result | | - Feb. 2 | Rafael Orono | Caracas, Venezuela | L 15 | | inaugural WBC Super-Flyweight Title | | + May 9 | Sung-Jun Kim | Seoul, South Korea | W 10 | | + July 14 | Freddie Ribbon | Busan, South Korea | W 10 | | + Sept. 28 | Tsuguyuki Toma | Busan, South Korea | KO 7 | | + Nov. 16 | Flash Jagdon | Seoul, South Korea | KO 7 | | | | 1981 | | Date | Opponent | Place | Result | | + Mar. 1 | Carlos Alcibar | Busan, South Korea | W 10 | | + July 31 | Neptali Alamag | Busan, South Korea | W 10 | | + Sept. 22 | Sak Galaxy | Seoul, South Korea | KO 6 | | + Oct. 25 | Suvan Muangsurin | Daegu, South Korea | W 10 | | | | 1982 | | Date | Opponent | Place | Result | | + Jan. 31 | Hitoshi Ohashi | Busan, South Korea | KO 1 | | + Apr. 4 | Arcadej Singjomthong | Busan, South Korea | KO 8 | | - June 3 | Lupe Pintor | Los Angeles, United States | TKO by 11 | | WBC Bantamweight Title | | + Nov. 13 | Poker Perigrino | Seoul, South Korea | KO 9 | | | | 1983 | | Date | Opponent | Place | Result | | + Jan. 18 | Manachai Sor Vatana | Daejeon, South Korea | KO 2 | | + Mar. 20 | Ricardo Cardona | Masan City, South Korea | KO 6 | | + May 7 | Martin Hernandez | Seoul, South Korea | KO 4 | | + June 19 | Efren Guinieta | Daegu, South Korea | KO 4 | | + Aug. 21 | Poker Perigrino | Daegu, South Korea | KO 7 | | + Oct. 23 | Renato Paulino | Daegu, South Korea | W 10 | | + Dec. 18 | Morkasakdi Muangsurin | Daejeon, South Korea | KO 1 | | | | 1984 | | Date | Opponent | Place | Result | | + Feb. 4 | Morris Pastor | Seoul, South Korea | KO 2 | | + Apr. 1 | Kid Sumaila | Yeosu, South Korea | KO 3 | | + Sept. 9 | Ernie Sanico | Incheon, South Korea | KO 4 | | + Dec. 15 | Dejvarin Hollywood | Busan, South Korea | W 10 | | | | 1985 | | Date | Opponent | Place | Result | | - Feb. 2 | Victor Callejas | Hato Rey, Puerto Rico | L 15 | | WBA Super-Bantamweight Title | | + June 2 | Pablo Pepito | Seoul, South Korea | W 10 | | + Oct. 19 | Flash Rockman | Pohang City, South Korea | KO 1 | | | | 1986 | | Date | Opponent | Place | Result | | - Jan. 25 | Rudy Casicas | Daejeon, South Korea | KO by 8 | | + May 24 | Majie Bona | Sunchun, South Korea | KO 5 | | + Sept. 13 | Little Bangoyan | Daejeon, South Korea | W 10 | | | | 1987 | | Date | Opponent | Place | Result | | + Jan. 18 | Prayurasak Muangsurin | Pohang City, South Korea | TKO 9 | | vacant IBF Super-Bantamweight Title | | + Apr. 5 | Jorge Urbina Diaz | Seoul, South Korea | KO 10 | | IBF Super-Bantamweight Title | | + July 19 | Leon Collins | Pohang City, South Korea | TKO 5 | | IBF Super-Bantamweight Title | | + Dec. 27 | Jose Sanabria | Pohang City, South Korea | W 15 | | IBF Super-Bantamweight Title | | | | 1988 | | Date | Opponent | Place | Result | | + Mar. 20 | Julian Solis | Ulsan, South Korea | W 10 | | = May 29 | Daniel Zaragoza | Yeosu, South Korea | Draw 12 | | WBC Super-Bantamweight Title | | | | 1989 | | Date | Opponent | Place | Result | | + Feb. 27 | Noree Jockygym | Yochon, South Korea | KO 6 | | + Oct. 8 | Andy Dumpayan | Seoul, South Korea | KO 2 | | + Dec. 30 | Edwin Montanez | Seoul, South Korea | KO 10 |
Summary
Total bouts: 52, Won: 45 (25 inside the limit), Lost: 6 (2 inside the limit), Draw: 1, NC: 0, ND: 0
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