25 Jun 1966
Kim Ki-soo beats Nino Benvenuti via split decision 15/15
Super Welterweight (154 lb)
Kim Ki-soo becomes the WBA and WBC Super Welterweight world champion
17 Dec 1966
Kim Ki-soo beats Stan Harrington via unanimous decision 15/15
3 Oct 1967
Kim Ki-soo beats Freddie Little via split decision 15/15
26 May 1968
Sandro Mazzinghi beats Kim Ki-soo via split decision 15/15