All fourth round cup ties were played on 10 January. Ties which ended in a draw were replayed at a later date.[8][9] The fourth round saw teams from the Primeira Liga (I) enter the competition.
Ties were played on 16 February.[10][11] Due to the odd number of teams involved at this stage of the competition, Alverca qualified to the next round due to having no opponent to face at this stage of the competition.
Ties were played between the 7 March to the 8 April.[12][13] Due to the odd number of teams involved at this stage of the competition, Torreense qualified for the quarter-finals due to having no opponent to face at this stage of the competition.