By Miguel Rivera
Prefectural Gymnasium, Osaka, Japan - WBA "regular" bantamweight champion Koki Kameda (25-1, 16KOs) made the first defense of his title with an eleven round stoppage of challenger Daniel Diaz (18-3). Diaz was down in the eight round.
In the co-feature, super bantamweight Tomoki Kameda (19-0, 12KOs) boxed his way to a dominating ten round decision. The scores were 100-90, 100-90 and 100-91.