Japan's Kazuto Ioka suffered his first loss in over four years on Monday when Donnie Nietes won a split decision to capture the vacant WBO super flyweight championship.
The 29-year-old Ioka, aiming for his fourth world title, had trouble coping the powerful inside punching by the 36-year-old Filipino in the main event of a world title fight triple header at Wynn Palace Cotai in Macau.
Earlier at the same venue, Japan's Hiroto Kyoguchi won the WBA super light flyweight world championship, defeating Hekkie Budler by a technical knockout after 10 rounds.