World Boxing Federation
Kenichi Yamaguchi
WBF Fights
World Super Bantamweight Title (Vacant): April 23 / 2016, Osaka, Japan.
Kentaro Kobayashi Tech. Draw 9 Kenichi Yamaguchi
Referee: Eiji Nakamura (Japan). Judge: Kawabata Masai (Japan): 86 - 86. Judge: Takenaka Yosinori (Japan): 86 - 85. Judge: Tazoe Shinnichi (Japan): 85 - 88.
Promoter: Golden Ball Promotions