Southpaw Ji-Won Kim was born 1959-08-06 in Korea. In the year 1983-05-17 he fought Chan-Jung Chun for the Korean Super Bantamweight title. The bout ended up being a 10 round decision for Ji-Won Kim. After this victory he had the opportunity of fighting for a more prestiges title four months later against Little Bangoyan for the vacant Oriental Pacific Boxing Federation capturing the title with a 12 round decision. For the next year Ji-Won Kim made five defenses of his OPBF Super Bantamweight title against the likes of Lito Cortez KO 2 Monod TKO 4 Rolando Navarro PTS 12, and Fel Malatag TKO 6. With these victories to his ledger, his was now ready to fight for a world diadem. on the date 1985-01-03 he got that opportunity when he met countryman and reigning International Boxing Federation champ Seung-Il Suh. It was a grueling give and take war which was ultimately won by Ji-Won Kim via 10th round stoppage. Kim would make four successful defenses of his title against Ruben Dario Palacios W15 1985-03-30, Bobby Berna KO 4 1985-06-28, Seung-Il Suh KO 2 1985-10-09, Rudy Casicas KO 2 1986-06-02. He would abruptly retire from boxing finishing with a record of 16 wins no losses and two ties. He would become the second of three world champions to retire unbeaten, with Heavyweight Rocky Marciano and Straweight Ricardo Lopez being the others.