1985–86 S.L. Benfica season lapped the first round of the league in first place, after recovering five points since September. After an event-less January, in which Benfica retained their one-point lead over Sporting; in February, Benfica faced Porto again, this time for the round of 16 of the Taça de Portugal, winning 2–1. Meanwhile, in the Primeira Divisão, they added another point in their lead over their closest competitors. In March, Benfica was eliminated of the Cup Winners' Cup by Dukla Prague, while in the Portuguese Cup, they thrashed Sporting by 5–0 in the quarter-finals. They finished the month with a replay of the
FC Porto in international football competitions losing the 1964 Portuguese Cup final against champions Benfica. Porto progressed from the first round of a European competition for the first time, after a 4–0 aggregate victory over French Cup winners Lyon, but fell in the next round to 1860 Munich.<ref name="1964/65"></ref> At the end of that season, Porto finished runners-up to Benfica in the league and qualified for the following season's Fairs Cup. The club's performance was similar to that of the previous campaign: a first-round elimination of a French team (Stade Français) followed by a second-round loss to a German team (Hannover 96),<ref name="1965/66"></ref> which included a