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
1988–89 S.L. Benfica season Their next match was a Clássico with second-place Porto, ending in a draw. Until Christmas, Benfica increased their lead to four points. However, they lost for the first time in the next match, with Boavista, followed by a second consecutive loss with Penafiel, which did cause them to lose their first place because Porto also lost. In the following weeks, Benfica racked up wins and increased their lead to six points by March. The Clássico on the 29th match-day helped define the course of the remainder of the season. It was Porto's last hope of closing the gap, but Benfica