Saitama, Japan (Sports Network) - Japan's Koki Kameda won the WBC flyweight title on Sunday behind a unanimous decision over compatriot Daisuke Naito.
Kameda (22-0) took two scorecards 117-111 and another 116-112. Naito (35-3-3) was unbeaten in his previous five fights since taking the belt from Pongsaklek Wonjongkam back in 2007.
Naito's only previous losses came against Wonjongkam.