Professional career
After turning professional in 1977 he had compiled a record of 21-2-1 in 6 years before unsuccessfully challenging for the WBA super flyweight championship against Jiro Watanabe in 1983. He fought Rene Busayong for the vacant IBF world title and won by 5th-round knockout. After a successful six title defenses he ended up losing the title to Chung Jong-kwan in 1985.Professional boxing record
See also
*References
External links
* 1959 births Living people Boxers from Seoul South Korean male boxers Flyweight boxers Super-flyweight boxers World flyweight boxing champions International Boxing Federation champions 20th-century South Korean sportsmen {{SouthKorea-boxing-bio-stub