Complex sentence: If the same team wins both halves, the next two teams with the best full-season record play in the first round; the winner plays in the Taiwan Series, with the team that wins both halves having a 2-2-3 format.
Split into simpler sentences: If the same team wins both halves, the next two teams with the best full-season record will play in the first round. The winner plays in the Taiwan Series, with the team that wins both halves having a 2-2-3 format.