1st(1st leg) Viktoria Plzeň - Olympiakos Piraeus 0:0 (0:0)
2nd (2nd leg) Olympiakos Piraeus - Viktoria Plzeň 4:0 (0:0)
1st(1st leg): 23/07/2019 18:00 2nd (2nd leg): 30/07/2019 19:30 Winner: Olympiakos Piraeus
1st(1st leg) FC Saburtalo - Dinamo Zagreb 0:2 (0:0)
2nd (2nd leg) Dinamo Zagreb - FC Saburtalo 3:0 (0:0)
1st(1st leg): 23/07/2019 18:30 2nd (2nd leg): 30/07/2019 19:00 Winner: Dinamo Zagreb
1st(1st leg) The New Saints - FC København 0:2 (0:1)
2nd (2nd leg) FC København - The New Saints 1:0 (0:0)
1st(1st leg): 23/07/2019 19:00 2nd (2nd leg): 31/07/2019 18:45 Winner: FC København
1st(1st leg) PSV Eindhoven - FC Basel 3:2 (1:1)
2nd (2nd leg) FC Basel - PSV Eindhoven 2:1 (1:1)
1st(1st leg): 23/07/2019 19:00 2nd (2nd leg): 30/07/2019 19:00 Winner: FC Basel
1st(1st leg) FK Sutjeska - APOEL Nikosia 0:1 (0:1)
2nd (2nd leg) APOEL Nikosia - FK Sutjeska 3:0 (2:0)
1st(1st leg): 23/07/2019 19:15 2nd (2nd leg): 30/07/2019 18:00 Winner: APOEL Nikosia
1st(1st leg) BATE Borisov - Rosenborg BK 2:1 (1:1)
2nd (2nd leg) Rosenborg BK - BATE Borisov 2:0 (0:0)
1st(1st leg): 24/07/2019 18:00 2nd (2nd leg): 31/07/2019 18:00 Winner: Rosenborg BK
1st(1st leg) CFR Cluj - Maccabi Tel Aviv 1:0 (1:0)
2nd (2nd leg) Maccabi Tel Aviv - CFR Cluj 2:2 (1:2)
1st(1st leg): 24/07/2019 19:00 2nd (2nd leg): 30/07/2019 18:00 Winner: CFR Cluj
1st(1st leg) Ferencvárosi TC - Valletta FC 3:1 (2:0)
2nd (2nd leg) Valletta FC - Ferencvárosi TC 1:1 (1:0)
1st(1st leg): 24/07/2019 19:00 2nd (2nd leg): 30/07/2019 19:00 Winner: Ferencvárosi TC
1st(1st leg) NK Maribor - AIK Solna 2:1 (2:1)
2nd (2nd leg) AIK Solna - NK Maribor 3:2 (1:0, 2:1) aet
1st(1st leg): 24/07/2019 19:15 2nd (2nd leg): 31/07/2019 18:00 Winner: NK Maribor
1st(1st leg) Dundalk FC - Qarabağ FK 1:1 (0:1)
2nd (2nd leg) Qarabağ FK - Dundalk FC 3:0 (1:0)
1st(1st leg): 24/07/2019 19:45 2nd (2nd leg): 31/07/2019 18:00 Winner: Qarabağ FK
1st(1st leg) Crvena Zvezda - HJK Helsinki 2:0 (1:0)
2nd (2nd leg) HJK Helsinki - Crvena Zvezda 2:1 (0:0)
1st(1st leg): 24/07/2019 19:45 2nd (2nd leg): 31/07/2019 17:00 Winner: Crvena Zvezda
1st(1st leg) Celtic FC - JK Nõmme Kalju 5:0 (3:0)
2nd (2nd leg) JK Nõmme Kalju - Celtic FC 0:2 (0:1)
1st(1st leg): 24/07/2019 19:45 2nd (2nd leg): 30/07/2019 18:00 Winner: Celtic FC