On November 13, 1982, a 27-year-old Duk-koo Kim (17-1-1, 8 KOs) got a shot at the lightweight WBA title held by 21-year-old American boxer Ray Mancini (24-1, 19 KOs).
Kim came in to the fight on a 12-fight win streak with a 42% KO rate, and was fighting after a gap of 3 months and 26 days. Mancini was on a 4-fight win streak with a 76% KO rate, and fighting after a layoff of 3 months and 20 days.
Ray Mancini stopped Kim Duk-koo via KO in the 14th round of the 15-round world-title fight, and successfully defended his WBA lightweight title. Mancini improves his record to 25-1 (20 KOs), while Kim adds a loss to his record at 17-2-1.
On December 9, 1978, a 23-year-old Duk-koo Kim (2-0, 0 KOs) and Jong Sil Lee met in the ring.
Kim came in to the fight on a 2-fight win streak with a 0% KO rate, and was fighting after a gap of 1 day.
Duk-koo Kim lost to Jong Sil Lee via points decision in the 4-round fight, and adds an loss to his record at 2-1.