Group 1
Seeded
1 PSV Eindhoven (NED) coefficient 46.212
2 Fenerbahçe (TUR) 51.840
3 Krasnodar (RUS) 32.106
4 Shkëndija (MKD) or HJK Helsinki (FIN) 10.530
5 Panathinaikos (GRE) 15.080
Unseeded
6 Norrköping (SWE) or Trakai (LTU) 4.945
7 Gabala (AZE) or Jagiellonia Białystok (POL) 7.800
8 Slovan Bratislava (SVK) or Lyngby (DEN) 7.350
9 Sturm Graz (AUT) or Mladost Podgorica (MNE) 6.570
10 Osijek (CRO) or Luzern (SUI) 9.415
Group 2
Seeded
1 Shamrock Rovers (IRL) or Mladá Boleslav (CZE) coefficient 10.135
2 PAOK (GRE) 35.080
3 Austria Wien (AUT) 17.070
4 Dinamo Zagreb (CRO) 26.050
5 Ferencváros (HUN) or Midtjylland (DEN) 16.300
6 Athletic Club (ESP) 60.999
Unseeded
7 Olimpik Donetsk (UKR) 8.526
8 Progres Niederkorn (LUX) or AEL Limassol (CYP) 8.210
9 Kairat Almaty (KAZ) or Skënderbeu (ALB) 6.825
10 Dinamo Bucure?ti (ROU) 6.370
11 Vaduz (LIE) or Odd (NOR) 5.665
12 Arka Gdynia (POL) 3.950
Group 3
Seeded
1 Östersunds (SWE) or Galatasaray (TUR) coefficient 58.840
2 AC Milan (ITA) 47.666
3 Bordeaux (FRA) 29.333
4 Maccabi Tel-Aviv (ISR) or KR Reykjavík (ISL) 23.375
5 Hajduk Split (CRO) or Levski Sofia (BUL) 11.550
6 Haugesund (NOR) or Lech Poznań (POL) 10.950
Unseeded
7 CSU Craiova (ROU) 4.870
8 Nomme Kalju (EST) or Videoton (HUN) 8.650
9 Inter Baki (AZE) ir Fola Esch (LUX) 6.050
10 Valletta (MLT) or Utrecht (NED) 6.712
11 Panionios (GRE) or Gorica (SVN) 5.580
12 Brondby (DEN) or VPS Vaasa (FIN) 8.800