The distance (boxing) 19, 1987. While the International Boxing Federation, which had recently broken away from the WBA, continued to hold onto the position there was no documented medical evidence to show a 15-round fight is more dangerous than a 12-round fight, they eventually voted to shorten their championship distance to 12 rounds as well on June 3, 1988. The last heavyweight 15-rounder title fight was on October 16, 1987 between Mike Tyson and Tyrell Biggs. The last middleweight 15-rounder title fight was a World Boxing Board title match on June 7, 1997 in which Jose Alfredo Flores won a split decision over
Boxing in Japan Japan's boxing in order to earn international recognition: The fight between the WBC's Kazuto Ioka and the WBA's Akira Yaegashi in June 2012 was the first-ever world title unification match for Japan's world champions. The president of Japan Pro Boxing Association Hideyuki Ohashi mentioned that it could be a healthy sign for the future of Japan's boxing. Prior to that, there have been two attempts to unify the world titles. However, in the fight between the WBA's Jirō Watanabe and the WBC's Payao Poontarat, Watanabe was stripped of his WBA title before the fight since he participated in that bout