BSC Young Boys 0-3 CSKA Moscow *
| 23.08.2017 | CSKA Moscow | 2-0 | BSC Young Boys | |
| 15.08.2017 | BSC Young Boys | 0-1 | CSKA Moscow | |
Hapoel Be'er Sheva 2-2 Maribor *
| 22.08.2017 | Maribor | 1-0 | Hapoel Be'er Sheva | |
| 16.08.2017 | Hapoel Be'er Sheva | 2-1 | Maribor | |
*Olympiakos Pireus 3-1 HNK Rijeka
| 22.08.2017 | HNK Rijeka | 0-1 | Olympiakos Pireus | |
| 16.08.2017 | Olympiakos Pireus | 2-1 | HNK Rijeka | |
Hoffenheim 3-6 Liverpool *
| 23.08.2017 | Liverpool | 4-2 | Hoffenheim | |
| 15.08.2017 | Hoffenheim | 1-2 | Liverpool | |
*Qarabag FK 2-2 FC København
| 23.08.2017 | FC København | 2-1 | Qarabag FK | |
| 15.08.2017 | Qarabag FK | 1-0 | FC København | |
Istanbul Basaksehir 3-4 Sevilla FC *
| 22.08.2017 | Sevilla FC | 2-2 | Istanbul Basaksehir | |
| 16.08.2017 | Istanbul Basaksehir | 1-2 | Sevilla FC | |
*APOEL FC 2-0 Slavia Praha
| 23.08.2017 | Slavia Praha | 0-0 | APOEL FC | |
| 15.08.2017 | APOEL FC | 2-0 | Slavia Praha | |
*Sporting Lisboa 5-1 FCSB
| 23.08.2017 | FCSB | 1-5 | Sporting Lisboa | |
| 15.08.2017 | Sporting Lisboa | 0-0 | FCSB | |
*SSC Napoli 4-0 OGC Nice
| 22.08.2017 | OGC Nice | 0-2 | SSC Napoli | |
| 16.08.2017 | SSC Napoli | 2-0 | OGC Nice | |