The tournament was to include four teams, in principle from the third to the sixth teams according to the aggregate table. But since Cienciano had played one match less and would have surpassed Unión Huaral had they won it, a preliminary playoff was held between them.
The tournament's initial structure involved teams ranked according to the overall standings, but Cienciano's performance in relation to Unión Huaral necessitated a playoff due to their potential for overtaking.