sentences:  Tatsuyoshi turned pro in 1989 and won the Japanese Bantamweight in his fourth professional fight.He won the WBC World Bantamweight Title in his eighth professional fight in 1991, the fastest of any Japanese boxer (Nobuo Nashiro tied this record in 2006, winning the WBA Super Flyweight Title in his eighth fight).However, he was discovered to have a torn retina while training for his first title defense, forcing him into rehabilitation.