Career
He defeated 1983 Pan American Games gold medalist Rafael Ramos in the semifinal bout. Results
In February 1990, Oh made his pro debut in minimumweight, and after only six fights chellenged Ricardo Lopez for the WBC minimumweight title on January 31, 1993. However, he was TKO"d in the 9th round.
Oh had struggled to make weight to minimumweight, and eventually retired after the bout with a record of 6-1-0 without moving up a weight class.