Title holders Benfica beat Marítimo 2–1 in the final and lifted the trophy for a sixth time.
The four third-round group winners qualify for the knockout phase, which consists of two semi-finals and one final, both decided in one-legged fixtures.
In the second round, teams are considered to be tied when they have equal aggregate scores at the end of both legs.
The 36 teams competing in the two professional tiers of Portuguese football for the 2014–15 season are eligible to participate in this competition.
In the knockout phase, the four third-round group winners contested a one-legged semi-final match for a place in the competition final.