Standard Liège 2-5 AFC Ajax *
| 14.08.2018 | AFC Ajax | 3-0 | Standard Liège | |
| 07.08.2018 | Standard Liège | 2-2 | AFC Ajax | |
Qarabag FK 1-2 BATE Borisov *
| 14.08.2018 | BATE Borisov | 1-1 | Qarabag FK | |
| 07.08.2018 | Qarabag FK | 0-1 | BATE Borisov | |
Celtic FC 2-3 AEK Athens *
| 14.08.2018 | AEK Athens | 2-1 | Celtic FC | |
| 08.08.2018 | Celtic FC | 1-1 | AEK Athens | |
FC Astana 0-3 Dinamo Zagreb *
| 14.08.2018 | Dinamo Zagreb | 1-0 | FC Astana | |
| 07.08.2018 | FC Astana | 0-2 | Dinamo Zagreb | |
*PAOK Salonica 3-2 Spartak Moscow
| 14.08.2018 | Spartak Moscow | 0-0 | PAOK Salonica | |
| 08.08.2018 | PAOK Salonica | 3-2 | Spartak Moscow | |
*RB Salzburg 4-0 Shkendija'79
| 14.08.2018 | Shkendija'79 | 0-1 | RB Salzburg | |
| 08.08.2018 | RB Salzburg | 3-0 | Shkendija'79 | |
*SL Benfica 2-1 Fenerbahçe SK
| 14.08.2018 | Fenerbahçe SK | 1-1 | SL Benfica | |
| 07.08.2018 | SL Benfica | 1-0 | Fenerbahçe SK | |
Slavia Praha 1-3 Dynamo Kyiv *
| 14.08.2018 | Dynamo Kyiv | 2-0 | Slavia Praha | |
| 07.08.2018 | Slavia Praha | 1-1 | Dynamo Kyiv | |
*FK Crvena Zvezda 3-2 Spartak Trnava
| 14.08.2018 | Spartak Trnava | 1-2 AET | FK Crvena Zvezda | |
| 07.08.2018 | FK Crvena Zvezda | 1-1 | Spartak Trnava | |