Professional boxing Ginjiro Shigeoka second defense, older brother Yudai does not defend. IBF (International Boxing Federation) minimum weight champion faced world No.
6 Jake Amparo of the Philippines. In the second round, he landed a right jab and a left punch to the body to knock him down, and he won by knockout at 1 minute and 15 seconds into the secondround. Meanwhile, his older brother, the WBC (World Boxing Council) minimumweight champion, faced former world champion Melvin Jerusalem from the Philippines and lost 2-2.