The competition began on 9 August 1986 with the first games of Round 1 and ended on Whit Monday 8 June 1987 with the final held at the former
Wankdorf Stadium in
Bern. The teams from the
Nationalliga B were granted byes for the first round. The teams from the
Nationalliga A were granted byes for the first two rounds. The winners of the cup qualified themselves for the first round of the
Cup Winners' Cup in the next season. The draw was respecting regionalities, when possible, and the lower classed team was granted home advantage. In the entire competition, the matches were played in a single knockout format. In the event of a draw after 90 minutes, the match went into extra time. In the event of a draw at the end of extra time, a
penalty shoot-out was to decide which team qualified for the next round. No replays were foreseen. ==Round 1==