Two WBA world championship fight will take place next April 11, at the Prefectural Gymnasium in Osaka, Japan, in the main event WBA Super Flyweight world champion Nobuo Nashiro from Japan will be making the first defense of his title against coutrymen WBA # 10 world ranked Konosuke Tomiyama. Nashiro captured the vacant WBA Super Flyweight championship last September 15, when he won a split decision over Kohei Kono. In the co main event Japanese Etsuko Tada will challenge WBA Female minimumweight world champion Cho Rong So from South Korea who will risk the title for third time.