Los druhého předkola:

Glenavon (NIR) / Molde (NOR) – Anorthosis Famagusta (CYP) / Laçi (ALB)
Bananc Jerevan (ARM) / FC Sarajevo (BIH) – Atalanta Bergamo (ITA)
Birkirkara (MLT) / KÍ Klaksvík (FRO) / Žalgiris Vilnius (LTU) – Vaduz (LIE) / Levski Sofia (BUL)
Engordany (AND) / Folgore (SMR) / Kajrat Almaty (KAZ) – AZ Alkmaar (NED)
Aberdeen (SCO) – Burnley (ENG)
Rudar Pljevlja (MNE) / Partizan Bělehrad (SRB) – Cefn Druids (WAL) / Trakai (LTU) / Irtyš Pavlodar (KAZ)
Balzan (MLT) / Keşla (AZE) – Milsami Orhei (MDA) / Slovan Bratislava (SVK)
Cliftonville (NIR) / Nordsjælland (DEN) – Shamrock Rovers (IRL) / AIK (SWE)
Rudar Velenje (SVN) / Tre Fiori (SMR) / Bala Town (WAL) – FCSB Bukurešť (ROU)
Hapoel Haifa (ISR) – Lahti (FIN) / Hafnarfjördur (ISL)
Levadia Tallinn (EST) / Dundalk (IRL) – AEK Larnaca (CYP)
Zaria Balti (MDA) / Górnik Zabrze (POL) – Budućnost Podgorica (MNE) / Trenčín (SVK)
Ferencváros Budapešť (HUN) / Maccabi Tel-Aviv (ISR) – Radnički Niš (SRB) / UE Sant Julià (AND) / Gzira United (MLT)
CSKA Sofia (BUL) / FC Riga (LVA) – Admira Wacker Mödling (AUT)
Spartak Subotica (SRB) / Coleraine (NIR) – Sparta Praha (CZE)
RB Lipsko (GER) – Liepāja (LVA) / Häcken Göteborg (SWE)
Stjarnan (ISL) / Nõmme Kalju (EST) – FC Kodaň (DEN) / KuPS Kuopio (FIN)
Ufa (RUS) – Široki Brijeg (BIH) / Domžale (SVN)
Samtredia (GEO) / Tobol Kostanaj (KAZ) – Pjunik Jerevan (ARM) / Vardar Skopje (MKD)
Jagiellonia Białystok (POL) – Rio Ave (POR)
LASK Linec (AUT) – Lillestrøm (NOR)
Honvéd Budapešť (HUN) / Rabotnički Skopje (MKD) – Progrès Niederkorn (LUX) / Gabala (AZE)
Petrocub Hîncești (MDA) / NK Osijek (CRO) – Glasgow Rangers (SCO) / Škupi Čair (MKD)
B36 Tórshavn (FRO) / St Joseph's (GIB) / OFK Titograd (MNE) – Beşiktaş Istanbul (TUR)
DAC Dunajská Streda (SVK) / Dinamo Tbilisi (GEO) – Derry City (IRL) / Dinamo Minsk (BLR)
Ventspils (LVA) / Luftëtari Gjirokastër (ALB) – Girondins Bordeaux (FRA)
Željezničar Sarajevo (BIH) / Narva Trans (EST) – Stumbras Kaunas (LTU) / Apollon Limassol (CYP)
Racing Union Lucemburk (LUX) / Viitorul Konstanca (ROU) – Vitesse Arnhem (NED)
St. Gallen (SUI) – ÍB Vestmannaeyjar (ISL) / Sarpsborg (NOR)
Dinamo Brest (BLR) – Atromitos Atény (GRE)
Sevilla (ESP) – Neftçi Baku (AZE) / Újpest (HUN)
Connah's Quay (WAL) / Šachťor Soligorsk (BLR) – Lech Poznaň (POL) / Gandzasar Kapan (ARM)
Hibernian Edinburgh (SCO) / NSÍ Runavík (FRO) – Asteras Tripolis (GRE)
Čichura Sačchere (GEO) / Beitar Jeruzalém (ISR) – Partizani Tirana (ALB) / Maribor (SVN)
KRC Genk (BEL) – Fola Esch (LUX) / Europa (GIB) / FC Priština (KOS)
Djurgården (SWE) – Mariupol (UKR)
Hajduk Split (CRO) – Ilves Tampere (FIN) / Slavia Sofia (BUL)