*AFC Ajax 5-1 Sturm Graz
| 01.08.2018 | Sturm Graz | 1-3 | AFC Ajax | |
| 25.07.2018 | AFC Ajax | 2-0 | Sturm Graz | |
*BATE Borisov 2-1 HJK Helsinki
| 01.08.2018 | HJK Helsinki | 1-2 | BATE Borisov | |
| 25.07.2018 | BATE Borisov | 0-0 | HJK Helsinki | |
*FC Astana 2-1 FC Midtjylland
| 01.08.2018 | FC Midtjylland | 0-0 | FC Astana | |
| 24.07.2018 | FC Astana | 2-1 | FC Midtjylland | |
FK Kukesi 0-3 Qarabag FK *
| 01.08.2018 | Qarabag FK | 3-0 | FK Kukesi | |
| 25.07.2018 | FK Kukesi | 0-0 | Qarabag FK | |
*FK Crvena Zvezda 5-0 FK Suduva
| 01.08.2018 | FK Suduva | 0-2 | FK Crvena Zvezda | |
| 24.07.2018 | FK Crvena Zvezda | 3-0 | FK Suduva | |
*Dinamo Zagreb 7-2 Hapoel Be'er Sheva
| 31.07.2018 | Hapoel Be'er Sheva | 2-2 | Dinamo Zagreb | |
| 24.07.2018 | Dinamo Zagreb | 5-0 | Hapoel Be'er Sheva | |
*PAOK Salonica 5-1 FC Basel
| 01.08.2018 | FC Basel | 0-3 | PAOK Salonica | |
| 24.07.2018 | PAOK Salonica | 2-1 | FC Basel | |
*Celtic FC 3-1 Rosenborg BK
| 01.08.2018 | Rosenborg BK | 0-0 | Celtic FC | |
| 25.07.2018 | Celtic FC | 3-1 | Rosenborg BK | |
*Shkendija'79 1-0 Sheriff Tiraspol
| 31.07.2018 | Sheriff Tiraspol | 0-0 | Shkendija'79 | |
| 24.07.2018 | Shkendija'79 | 1-0 | Sheriff Tiraspol | |
Legia Warszawa 1-2 Spartak Trnava *
| 31.07.2018 | Spartak Trnava | 0-1 | Legia Warszawa | |
| 24.07.2018 | Legia Warszawa | 0-2 | Spartak Trnava | |
Ludogorets 0-1 Vidi FC *
| 01.08.2018 | Vidi FC | 1-0 | Ludogorets | |
| 25.07.2018 | Ludogorets | 0-0 | Vidi FC | |