1st(1st leg) B 1903 København - Vitosha Sofia 1:0 (0:0)
2nd (2nd leg) Vitosha Sofia - B 1903 København 2:0 (0:0)
1st(1st leg): 16/09/1986 2nd (2nd leg): 01/10/1986 Winner: Vitosha Sofia
1st(1st leg) Fram Reykjavík - GKS Katowice 0:3 (0:1)
2nd (2nd leg) GKS Katowice - Fram Reykjavík 1:0 (0:0)
1st(1st leg): 16/09/1986 2nd (2nd leg): 02/10/1986 Winner: GKS Katowice
1st(1st leg) Waterford United - Girondins Bordeaux 1:2 (0:1)
2nd (2nd leg) Girondins Bordeaux - Waterford United 4:0 (0:0)
1st(1st leg): 17/09/1986 2nd (2nd leg): 30/09/1986 Winner: Girondins Bordeaux
1st(1st leg) Rapid Wien - Club Brugge KV 4:3 (2:1)
2nd (2nd leg) Club Brugge KV - Rapid Wien 3:3 (1:0)
1st(1st leg): 17/09/1986 2nd (2nd leg): 01/10/1986 Winner: Rapid Wien
1st(1st leg) AS Roma - Real Zaragoza 2:0 (1:0)
2nd (2nd leg) Real Zaragoza - AS Roma 4:3 (1:0, 2:0, 2:0) pso
1st(1st leg): 17/09/1986 2nd (2nd leg): 01/10/1986 Winner: Real Zaragoza
1st(1st leg) SL Benfica - Lillestrøm SK 2:0 (1:0)
2nd (2nd leg) Lillestrøm SK - SL Benfica 1:2 (1:1)
1st(1st leg): 17/09/1986 2nd (2nd leg): 01/10/1986 Winner: SL Benfica
1st(1st leg) Nentori Tiranë - Dinamo Bucureşti 1:0 (0:0)
2nd (2nd leg) Dinamo Bucureşti - Nentori Tiranë 1:2 (0:1)
1st(1st leg): 17/09/1986 2nd (2nd leg): 01/10/1986 Winner: Nentori Tiranë
1st(1st leg) Aberdeen FC - FC Sion 2:1 (0:1)
2nd (2nd leg) FC Sion - Aberdeen FC 3:0 (2:0)
1st(1st leg): 17/09/1986 2nd (2nd leg): 01/10/1986 Winner: FC Sion
1st(1st leg) Malmö FF - Apollon Limassol 6:0 (4:0)
2nd (2nd leg) Apollon Limassol - Malmö FF 2:1 (2:1)
1st(1st leg): 17/09/1986 2nd (2nd leg): 01/10/1986 Winner: Malmö FF
1st(1st leg) Bursaspor - AFC Ajax 0:2 (0:0)
2nd (2nd leg) AFC Ajax - Bursaspor 5:0 (4:0)
1st(1st leg): 17/09/1986 2nd (2nd leg): 01/10/1986 Winner: AFC Ajax
1st(1st leg) Haka Valkeakoski - Torpedo Moskva 2:2 (1:1)
2nd (2nd leg) Torpedo Moskva - Haka Valkeakoski 3:1 (2:0)
1st(1st leg): 17/09/1986 2nd (2nd leg): 01/10/1986 Winner: Torpedo Moskva
1st(1st leg) Olympiakos Piraeus - Union Luxembourg 3:0 (1:0)
2nd (2nd leg) Union Luxembourg - Olympiakos Piraeus 0:3 (0:0)
1st(1st leg): 17/09/1986 2nd (2nd leg): 01/10/1986 Winner: Olympiakos Piraeus
1st(1st leg) VfB Stuttgart - TJ Spartak TAZ Trnava 1:0 (0:0)
2nd (2nd leg) TJ Spartak TAZ Trnava - VfB Stuttgart 0:0 (0:0)
1st(1st leg): 17/09/1986 2nd (2nd leg): 01/10/1986 Winner: VfB Stuttgart
1st(1st leg) Glentoran FC - 1. FC Lokomotive Leipzig 1:1 (1:0)
2nd (2nd leg) 1. FC Lokomotive Leipzig - Glentoran FC 2:0 (1:0)
1st(1st leg): 17/09/1986 2nd (2nd leg): 01/10/1986 Winner: 1. FC Lokomotive Leipzig
1st(1st leg) Budapesti Vasas - Velež Mostar 2:2 (1:1)
2nd (2nd leg) Velež Mostar - Budapesti Vasas 3:2 (0:0)
1st(1st leg): 17/09/1986 2nd (2nd leg): 01/10/1986 Winner: Velež Mostar
1st(1st leg) Żurrieq FC - Wrexham AFC 0:3 (0:1)
2nd (2nd leg) Wrexham AFC - Żurrieq FC 4:0 (3:0)
1st(1st leg): 17/09/1986 2nd (2nd leg): 01/10/1986 Winner: Wrexham AFC