FC Porto the 1955–56 Primeira Divisão on head-to-head advantage over runners-up Benfica. Later that season, Porto beat Torreense to win its first Taça de Portugal and achieve its first double. As the Portuguese league winner, Porto made its debut in European competitions by qualifying for the 1956–57 European Cup. The club's first participation was short-lived, ending in the preliminary round with two defeats against Spanish champions Athletic Bilbao. A year later, Porto lifted its second Taça de Portugal by beating Benfica 1–0 in the final. The two clubs met again in the following season's final, but this time Benfica took the trophy
1982–83 S.L. Benfica season the title race. Benfica remained erratic, having two more draws in March, followed by a win. In Europe, Benfica faced Roma, one of strongest Italian teams of his era; beating them 2–1 on the Stadio Olimpico. At home, Benfica drew one-equal and eliminate them on aggregate. Filipovic had scored all of Benfica's goals in the tie. Domestically, in late March, Benfica visited the Estádio das Antas in the Clássico with Porto. A 0–0 draw better suited Benfica, who kept the four point lead over his rival. A few days later, Benfica beat Sporting by 3–0 in the quarter-final of the