No amateur resultsProfessional record| Date | Opponent | Place | Result | | 1986 | | = Jan. 26 | Sung-Min Kim | Seoul, South Korea | Draw 4 | | + Feb. 23 | Chang-Yung Kim | Seoul, South Korea | KO 3 | | + Mar. 23 | Sung-Yung Lee | Incheon, South Korea | KO 2 | | + Apr. 26 | Duh-Yung Lee | Seoul, South Korea | W 6 | | + June 28 | Il-Koo Chi | Gunsan, South Korea | KO 7 | | + Aug. 17 | Sung Kyu Kim | Seoul, South Korea | W 8 | | + Oct. 17 | Kun-Suk Kim | Suwon City, South Korea | KO 6 | | 1987 | | - Jan. 25 | Hang Park | Seoul, South Korea | KO by 2 | | South Korea Super Featherweight Title | | + May 17 | Sung-Koo Lee | Busan, South Korea | W 6 | | + July 12 | Yong-Soo Kim | Bucheon, South Korea | W 6 | | 1988 | | + Mar. 26 | Chong Heun Yuh | Namhae, South Korea | KO 2 | | + Apr. 30 | Hi Yun Chung | Ulsan, South Korea | KO 3 | | + July 24 | Tae Yong Koh | Pohang City, South Korea | W 10 | | South Korea Welterweight Title | | 1989 | | - Feb. 11 | Fujio Ozaki | Tokyo, Japan | KO by 5 | | OPBF Welterweight Title | | + June 17 | Yong-Kon Park | Chanju, South Korea | KO 4 | | + Oct. 8 | In-Ho Kim | Busan, South Korea | TKO 3 | | + Dec. 29 | Sang-Moon Suh | Bucheon, South Korea | KO 3 | | South Korea Welterweight Title | | 1990 | | + Apr. 1 | Sang-Hee Lee | Wonju City, South Korea | KO 2 | | South Korea Welterweight Title | | + Sept. 1 | Yong-Bae Cho | Seongju, South Korea | TKO 6 | | OPBF Welterweight Title | | + Dec. 2 | Armand Picar | Bucheon, South Korea | KO 1 | | OPBF Welterweight Title | | 1991 | | + May 4 | Yong Kang Chang | Ulsan, South Korea | KO 3 | | OPBF Welterweight Title | | + Oct. 19 | Jufrison Pontoh | Eumsung, South Korea | TW 4 | | OPBF Welterweight Title | | + Dec. 7 | Nilo Balaba | Wondang, South Korea | KO 2 | | OPBF Welterweight Title | | 1992 | | + Mar. 24 | Noli De Guia | Incheon, South Korea | KO 1 | | OPBF Welterweight Title | | + July 4 | Armand Picar | Incheon, South Korea | KO 2 | | OPBF Welterweight Title | | + Nov. 14 | Taiyu Sone | Uijeongbu City, South Korea | W 12 | | OPBF Welterweight Title | | 1993 | | = Feb. 13 | Allan Alegria | Yeoju, South Korea | Draw 12 | | OPBF Welterweight Title | | + July 12 | Jintoku Sato | Tokyo, Japan | TKO 2 | | OPBF Welterweight Title | | + Oct. 9 | Takeo Takuma | Mokpo, South Korea | TKO 6 | | + Dec. 7 | Hiroyuki Yoshino | Tokyo, Japan | TKO 8 | | OPBF Welterweight Title | | 1994 | | + Apr. 15 | Arnold Solis | Seoul, South Korea | TKO 5 | | OPBF Welterweight Title | | = July 1 | Bong-Kwan Park | Ulsan, South Korea | Draw 12 | | OPBF Welterweight Title | | - Nov. 19 | Suk-Hyun Yoon | Seoul, South Korea | L 10 | | 1995 | | - Mar. 4 | Ike Quartey | Atlantic City, United States | TKO by 4 | | WBA Welterweight Title |
Summary
Total bouts: 34, Won: 27 (20 inside the limit), Lost: 4 (3 inside the limit), Draw: 3, NC: 0
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