Date: Saturday, May 20, 2017
WBO Junior Flyweight Title Bout
Location: Takeda Teva Ocean Arena, Nagoya, Aichi, Japan
Promoter: Hatanaka Promotions / Kiyoshi Hatanaka
Supervisor: Leon Panoncillo
Referee: Manuel Oliver Palomo
Judges: Jerry Jakubco (117-110); Javier Alvarez (117-110); Giustino Di Giovanni (116-111)
Results: The WBO Junior Flyweight Title was retained by the Champion Kosei Tanaka against Angel Acosta by Unanimous Decision.
TV: