AEK Athens 0-3 CSKA Moscow *
| 02.08.2017 | CSKA Moscow | 1-0 | AEK Athens | |
| 25.07.2017 | AEK Athens | 0-2 | CSKA Moscow | |
*Slavia Praha 2-2 BATE Borisov
| 02.08.2017 | BATE Borisov | 2-1 | Slavia Praha | |
| 25.07.2017 | Slavia Praha | 1-0 | BATE Borisov | |
Dynamo Kyiv 3-3 BSC Young Boys *
| 02.08.2017 | BSC Young Boys | 2-0 | Dynamo Kyiv | |
| 26.07.2017 | Dynamo Kyiv | 3-1 | BSC Young Boys | |
RB Salzburg 1-1 HNK Rijeka *
| 02.08.2017 | HNK Rijeka | 0-0 | RB Salzburg | |
| 26.07.2017 | RB Salzburg | 1-1 | HNK Rijeka | |
Club Brugge 3-5 Istanbul Basaksehir *
| 02.08.2017 | Istanbul Basaksehir | 2-0 | Club Brugge | |
| 26.07.2017 | Club Brugge | 3-3 | Istanbul Basaksehir | |
*FC Astana 3-2 Legia Warszawa
| 02.08.2017 | Legia Warszawa | 1-0 | FC Astana | |
| 26.07.2017 | FC Astana | 3-1 | Legia Warszawa | |
*Hapoel Be'er Sheva 3-3 Ludogorets
| 02.08.2017 | Ludogorets | 3-1 | Hapoel Be'er Sheva | |
| 26.07.2017 | Hapoel Be'er Sheva | 2-0 | Ludogorets | |
*Maribor 2-0 FH Hafnarfjordur
| 02.08.2017 | FH Hafnarfjordur | 0-1 | Maribor | |
| 26.07.2017 | Maribor | 1-0 | FH Hafnarfjordur | |
FK Partizan 3-5 Olympiakos Pireus *
| 02.08.2017 | Olympiakos Pireus | 2-2 | FK Partizan | |
| 25.07.2017 | FK Partizan | 1-3 | Olympiakos Pireus | |
*Celtic FC 1-0 Rosenborg BK
| 02.08.2017 | Rosenborg BK | 0-1 | Celtic FC | |
| 26.07.2017 | Celtic FC | 0-0 | Rosenborg BK | |
*Qarabag FK 2-1 Sheriff Tiraspol
| 01.08.2017 | Sheriff Tiraspol | 1-2 | Qarabag FK | |
| 25.07.2017 | Qarabag FK | 0-0 | Sheriff Tiraspol | |
Vardar Skopje 2-4 FC København *
| 02.08.2017 | FC København | 4-1 | Vardar Skopje | |
| 25.07.2017 | Vardar Skopje | 1-0 | FC København | |
Viitorul Constanta 1-4 APOEL FC *
| 02.08.2017 | APOEL FC | 4-0 AET | Viitorul Constanta | |
| 26.07.2017 | Viitorul Constanta | 1-0 | APOEL FC | |
*FCSB 6-3 Viktoria Plzen
| 02.08.2017 | Viktoria Plzen | 1-4 | FCSB | |
| 25.07.2017 | FCSB | 2-2 | Viktoria Plzen | |