Olympic Games results
- Represented South Korea as a Bantamweight at the 1984 Olympic Games in Los Angeles.
Other Amateur Highlights
Claims a record of 219-22
- 1982 Asian Games Gold medalist at bantamweight, in Delhi, India.
- Defeated Wangchai Pongsri (Thailand) by points in the final
- 1983 World Cup participant at bantamweight, in Rome, Italy.
- Lost to Maurizio Stecca (Italy) 0-5
- 1985 World Cup Gold medalist at bantamweight, in Seoul, South Korea.
- 1986 World Championships Gold medalist at bantamweight, in Reno, United States.
- 1986 Asian Games Gold medalist at bantamweight, in Seoul, South Korea.
- Defeated Sophan Surarikal (Thailand) 5-0 in the final
- Has a record of 13-2 (8 KOs) in World Title fights.
- Has a record of 7-2 (3 KOs) against former world titleists.
- 15 of his 22 professional fights were title bouts.
| WBA Bantamweight Champion
1988 Aug 14 – 1989 Jul 9
| WBC Super Flyweight Champion
1990 Jan 20 – 1993 Nov 13
Jose Luis Bueno