Somebody Up There Likes Me 1996 on netflix

A young rebel falls for the sister of a local kickboxing champion. In order to stay out of jail, he is advised by his parole officer to begin training in the art of kickboxing. His romance with the girl blossoms but comes to a crashing halt when he is forced to face her brother in the ring. When the brother is accidentally killed, the romance ends and the young kickboxer participates in illegal street fights. When the kickboxer has a shot at the Golden Belt against the Japanese champ, he soon learns that this may be the final fight of his life. Written by Ninja01