sentences:  Ohashi reclaimed the Japanese Light flyweight title in January 1988, and challenged Chang for the second time in June of the same year, only to lose again by 8th-round TKO.This was Chang's 15th consecutive defense of the WBC title, and Ohashi was knocked down a total of 7 times in 8 rounds before the referee stopped the contest.Ohashi challenged Jum-Hwan Choi in January 1990 for the Lineal and WBC Minimumweight title, and won by KO to claim his first world title.