 He made his first defense by first-round knockout, and retained his title in his second defense with a draw, but lost to Clemente Sanchez in May, 1972.Shibata moved up to super featherweight, and got his second world title shot against Lineal and WBA champion Ben Villaflor in Honolulu on March 12, 1973.He won by fifteen-round unanimous decision to capture his second world title.