| date | stage | club1 | club2 | goals | |
| 1986-09-17 | Round_1 | Athletico_Madrid(Spain) | Werder_Bremen(Germany) | 2 | 0 | - |
| 1986-09-17 | Round_1 | Kalmar_FF(Sweden) | Bayer_Leverkusen(Germany) | 1 | 4 | - |
| 1986-09-17 | Round_1 | KFC_Uerdingen(Germany) | Carl_Zeiss_Jena(East Germany) | 3 | 0 | - |
| 1986-09-17 | Round_1 | Borussia_Monchengladbach(Germany) | Partizan_Belgrade(Yugoslavia) | 1 | 0 | - |
| 1986-09-17 | Round_1 | RC_Lens(France) | Dundee_United(Scotland) | 1 | 0 | - |
| 1986-09-17 | Round_1 | FC_Groningen(Netherlands) | Galway_United(Ireland) | 5 | 1 | - |
| 1986-09-17 | Round_1 | IA_Akranes(Iceland) | Sporting_CP_Lisbon(Portugal) | 0 | 9 | - |
| 1986-09-17 | Round_1 | Athletic_Bilbao(Spain) | 1.FC_Magdeburg(East Germany) | 2 | 0 | - |
| 1986-09-17 | Round_1 | Jeunesse_dEsch(Luxembourg) | AA_Gent(Belgium) | 1 | 2 | - |
| 1986-09-17 | Round_1 | MSC_Pecs(Hungary) | Feyenoord(Netherlands) | 1 | 0 | - |
| 1986-09-17 | Round_1 | Sparta_Praha(Czechoslovakia) | Vitoria_Guimaraes(Portugal) | 1 | 1 | - |
| 1986-09-17 | Round_1 | Hearts_FC(Scotland) | Dukla_Praha(Czechoslovakia) | 3 | 2 | - |
| 1986-09-17 | Round_1 | FC_Nantes(France) | Torino(Italy) | 0 | 4 | - |
| 1986-09-17 | Round_1 | Dinamo_Minsk(Soviet Union) | ETO_Gyor(Hungary) | 2 | 4 | - |
| 1986-09-17 | Round_1 | Coleraine(Northern Ireland) | Stahl_Brandenburg(East Germany) | 1 | 1 | - |
| 1986-09-17 | Round_1 | Legia_Warsaw(Poland) | Dnepr_Dnepropetrovsk(Soviet Union) | 0 | 0 | - |
| 1986-09-17 | Round_1 | Sigma_Olomouc(Czechoslovakia) | IFK_Goteborg(Sweden) | 1 | 1 | - |
| 1986-09-17 | Round_1 | Glasgow_Rangers(Scotland) | Ilves_Tampere(Finland) | 4 | 0 | - |
| 1986-09-17 | Round_1 | LASK_Linz(Austria) | Widzew_Lodz(Poland) | 1 | 1 | - |
| 1986-09-17 | Round_1 | Xamax_Neuchatel(Switzerland) | Lyngby_BK(Denmark) | 2 | 0 | - |
| 1986-09-17 | Round_1 | SK_Beveren(Belgium) | Valerengen_IF(Norway) | 1 | 0 | - |
| 1986-09-17 | Round_1 | OFI_Heraklion(Greece) | Hajduk_Split(Yugoslavia) | 1 | 0 | - |
| 1986-09-17 | Round_1 | KS_Flamurtari_Vlore(Albania) | FC_Barcelona(Spain) | 1 | 1 | - |
| 1986-09-17 | Round_1 | Fiorentina(Italy) | Boavista(Portugal) | 1 | 0 | - |
| 1986-09-17 | Round_1 | Hibernians_FC(Malta) | Trakia_Plovdiv(Bulgaria) | 0 | 2 | - |
| 1986-09-17 | Round_1 | FC_Tirol_Innsbruck(Austria) | CSKA_Sofia(Bulgaria) | 3 | 0 | - |
| 1986-09-17 | Round_1 | Sportul_Studentesc(Romania) | Omonia_Nicosia(Cyprus) | 1 | 0 | - |
| 1986-09-17 | Round_1 | Universitatea_Craiova(Romania) | Galatasaray(Turkey) | 2 | 0 | - |
| 1986-09-17 | Round_1 | Internazionale(Italy) | AEK_Athens(Greece) | 2 | 0 | - |
| 1986-09-17 | Round_1 | NK_Rijeka(Yugoslavia) | Standard_Liege(Belgium) | 0 | 1 | - |
| 1986-09-17 | Round_1 | Napoli(Italy) | Toulouse_FC(France) | 1 | 0 | - |
| 1986-09-17 | Round_1 | Spartak_Moscow(Soviet Union) | FC_Luzern(Switzerland) | 0 | 0 | - |
| 1986-10-01 | Round_1 | Werder_Bremen(Germany) | Athletico_Madrid(Spain) | 2 | 1 | extra_time |
| 1986-10-01 | Round_1 | Bayer_Leverkusen(Germany) | Kalmar_FF(Sweden) | 3 | 0 | - |
| 1986-10-01 | Round_1 | Carl_Zeiss_Jena(East Germany) | KFC_Uerdingen(Germany) | 0 | 4 | - |
| 1986-10-01 | Round_1 | Partizan_Belgrade(Yugoslavia) | Borussia_Monchengladbach(Germany) | 1 | 3 | - |
| 1986-10-01 | Round_1 | Dundee_United(Scotland) | RC_Lens(France) | 2 | 0 | - |
| 1986-10-01 | Round_1 | Galway_United(Ireland) | FC_Groningen(Netherlands) | 1 | 3 | - |
| 1986-10-01 | Round_1 | Sporting_CP_Lisbon(Portugal) | IA_Akranes(Iceland) | 6 | 0 | - |
| 1986-10-01 | Round_1 | 1.FC_Magdeburg(East Germany) | Athletic_Bilbao(Spain) | 1 | 0 | - |
| 1986-10-01 | Round_1 | AA_Gent(Belgium) | Jeunesse_dEsch(Luxembourg) | 1 | 1 | - |
| 1986-10-01 | Round_1 | Feyenoord(Netherlands) | MSC_Pecs(Hungary) | 2 | 0 | - |
| 1986-10-01 | Round_1 | Vitoria_Guimaraes(Portugal) | Sparta_Praha(Czechoslovakia) | 2 | 1 | - |
| 1986-10-01 | Round_1 | Dukla_Praha(Czechoslovakia) | Hearts_FC(Scotland) | 1 | 0 | - |
| 1986-10-01 | Round_1 | Torino(Italy) | FC_Nantes(France) | 1 | 1 | - |
| 1986-10-01 | Round_1 | ETO_Gyor(Hungary) | Dinamo_Minsk(Soviet Union) | 0 | 1 | - |
| 1986-10-01 | Round_1 | Stahl_Brandenburg(East Germany) | Coleraine(Northern Ireland) | 1 | 0 | - |
| 1986-10-01 | Round_1 | Dnepr_Dnepropetrovsk(Soviet Union) | Legia_Warsaw(Poland) | 0 | 1 | - |
| 1986-10-01 | Round_1 | IFK_Goteborg(Sweden) | Sigma_Olomouc(Czechoslovakia) | 4 | 0 | - |