Sutra je ždrijeb 1.pretkola :
Group 1 (seeded sides in bold)
Vaduz (LIE)
Kilmarnock (SCO)
Brann (NOR)
Vitebsk (BLR)
Malmö (SWE)
Shamrock Rovers (IRL)
Ballymena (NIR)/NSÍ (FRO)
Connah's Quay Nomads (WAL)
KuPS Kuopio (FIN)
Breidablik (ISL)
Group 2 (seeded sides in bold)
Hajduk (CRO)
Legia (POL)
Radnicki Niš (SRB)
CSKA Sofia (BUL)
Ordabasy Shymkent (KAZ)
Flora (EST)
Torpedo Kutaisi (GEO)
Sant Julia (AND)/Europa (GIB)
Titograd (MNE)
Gzira United (MLT)
Group 3 (seeded sides in bold)
Tobol Kostanay (KAZ)
Kukësi (ALB)
FCSB (ROU)
Čukarički (SRB)
Maccabi Haifa (ISR)
Milsami Orhei (MDA)
Mura (SVN)
Debrecen (HUN)
Banants (ARM)
Jeunesse Esch (LUX)
Group 4 (seeded sides in bold)
Rangers (SCO)
Brondby (DEN)
Cork (IRL)
Molde (NOR)
Crusaders (NIR)
Progres Niederkorn (LUX)/Cardiff Metropolitan University (WAL)
B36 (FRO)
Inter Turku (FIN)
KR (ISL)
Prishtina (KOS)/St Joseph's (GIB)
Group 5 (seeded sides in bold)
Fehérvár (HUN)
Zrinjski (BIH)
Shakhtyor Soligorsk (BLR)
Neftçi (AZE)
Levski Sofia (BUL)
Hibernians (MLT)
Ružomberok (SVK)
Akademija Pandev (MKD)
Speranta Nisporeni (MDA)
FK Zeta (MNE)
Group 6 (seeded sides in bold)
Spartak Trnava (SVK)
Žalgiris Vilnius (LTU)
Fola Esch (LUX)
Alashkert (ARM)
Olimpija Ljubljana (SVN)
Chikhura Sachkhere (GEO)
Rigas FS (LVA)
Budapest Honvéd (HUN)
Makedonija Skopje (MKD)
Radnik Bijeljina (BIH)
Group 7 (seeded sides in bold)
Apollon Limassol (CYP)
Kairat Almaty (KAZ)
Ventspils (LVA)
Cracovia Kraków (POL)
Dinamo Tbilisi (GEO)
Teuta (ALB)
La Fiorita (SMR)/Engordany (AND)
Široki Brijeg (BIH)
DAC 1904 Dunajská Streda (SVK)
Kauno Žalgiris (LTU)
Group 8 (seeded sides in bold)
Haugesund (NOR)
Aberdeen (SCO)
Stjarnan (ISL)
Norrköping (SWE)
Dinamo Minsk (BLR)
Riteriai (LTU)
Liepaja (LVA)
Levadia Tallinn (EST)
Barry Town (WAL)/Cliftonville (NIR)
Saint Patrick's (IRL)
RoPS Rovaniemi (FIN)
KÍ (FRO)/Tre Fiori (SMR)
Group 9 (seeded sides in bold)
Hapoel Beer-Sheva (ISR)
AEK Larnaca (CYP)
Domžale (SVN)
Pyunik (ARM)
Sabail (AZE)
Budućnost Podgorica (MNE)
U Craiova 1948 (ROU)
Balzan (MLT)
Laçi (ALB)
Shkupi (MKD)
Petrocub-Hincesti (MDA)
Narva Trans (EST)
Seeded sides in bold.