*CSKA Sofia 6-1 Admira
| 02.08.2018 | Admira | 1-3 | CSKA Sofia | |
| 26.07.2018 | CSKA Sofia | 3-0 | Admira | |
Dundalk FC 0-4 AEK Larnaca *
| 02.08.2018 | AEK Larnaca | 4-0 | Dundalk FC | |
| 26.07.2018 | Dundalk FC | 0-0 | AEK Larnaca | |
*FC Nordsjælland 2-0 AIK Fotboll
| 02.08.2018 | AIK Fotboll | 0-1 | FC Nordsjælland | |
| 26.07.2018 | FC Nordsjælland | 1-0 | AIK Fotboll | |
*Hibernian FC 4-3 Asteras Tripoli
| 02.08.2018 | Asteras Tripoli | 1-1 | Hibernian FC | |
| 26.07.2018 | Hibernian FC | 3-2 | Asteras Tripoli | |
*Atalanta Bergamo 10-2 FK Sarajevo
| 02.08.2018 | FK Sarajevo | 0-8 | Atalanta Bergamo | |
| 26.07.2018 | Atalanta Bergamo | 2-2 | FK Sarajevo | |
*Kairat Almaty 3-2 AZ Alkmaar
| 02.08.2018 | AZ Alkmaar | 2-1 | Kairat Almaty | |
| 26.07.2018 | Kairat Almaty | 2-0 | AZ Alkmaar | |
B36 Torshavn 0-8 Besiktas JK *
| 02.08.2018 | Besiktas JK | 6-0 | B36 Torshavn | |
| 26.07.2018 | B36 Torshavn | 0-2 | Besiktas JK | |
*RB Leipzig 5-1 BK Häcken
| 02.08.2018 | BK Häcken | 1-1 | RB Leipzig | |
| 26.07.2018 | RB Leipzig | 4-0 | BK Häcken | |
Aberdeen FC 2-4 Burnley *
| 02.08.2018 | Burnley | 3-1 AET | Aberdeen FC | |
| 26.07.2018 | Aberdeen FC | 1-1 | Burnley | |
*Racing Genk 9-1 CS Fola Esch
| 01.08.2018 | CS Fola Esch | 1-4 | Racing Genk | |
| 26.07.2018 | Racing Genk | 5-0 | CS Fola Esch | |
*Dinamo Brest 5-4 Atromitos FC
| 02.08.2018 | Atromitos FC | 1-1 | Dinamo Brest | |
| 26.07.2018 | Dinamo Brest | 4-3 | Atromitos FC | |
Dunajska Streda 2-7 Dinamo Minsk *
| 02.08.2018 | Dinamo Minsk | 4-1 | Dunajska Streda | |
| 26.07.2018 | Dunajska Streda | 1-3 | Dinamo Minsk | |
Stjarnan FC 0-7 FC København *
| 02.08.2018 | FC København | 5-0 | Stjarnan FC | |
| 26.07.2018 | Stjarnan FC | 0-2 | FC København | |
Djurgårdens IF 2-3 FC Mariupol *
| 02.08.2018 | FC Mariupol | 2-1 AET | Djurgårdens IF | |
| 26.07.2018 | Djurgårdens IF | 1-1 | FC Mariupol | |
*Hapoel Haifa 2-1 FH Hafnarfjordur
| 02.08.2018 | FH Hafnarfjordur | 0-1 | Hapoel Haifa | |
| 26.07.2018 | Hapoel Haifa | 1-1 | FH Hafnarfjordur | |
*FK Partizan 2-1 FK Trakai
| 02.08.2018 | FK Trakai | 1-1 | FK Partizan | |
| 26.07.2018 | FK Partizan | 1-0 | FK Trakai | |
FK Zeljeznicar 2-5 Apollon Limassol *
| 02.08.2018 | Apollon Limassol | 3-1 | FK Zeljeznicar | |
| 26.07.2018 | FK Zeljeznicar | 1-2 | Apollon Limassol | |
FK Ventspils 1-3 Girondins Bordeaux *
| 02.08.2018 | Girondins Bordeaux | 2-1 | FK Ventspils | |
| 26.07.2018 | FK Ventspils | 0-1 | Girondins Bordeaux | |
Gornik Zabrze 1-5 AS Trenčín *
| 02.08.2018 | AS Trenčín | 4-1 | Gornik Zabrze | |
| 26.07.2018 | Gornik Zabrze | 0-1 | AS Trenčín | |
*Hajduk Split 4-2 Slavia Sofia
| 02.08.2018 | Slavia Sofia | 2-3 | Hajduk Split | |
| 26.07.2018 | Hajduk Split | 1-0 | Slavia Sofia | |
Shakhter Soligorsk 2-4 Lech Poznan *
| 02.08.2018 | Lech Poznan | 3-1 AET | Shakhter Soligorsk | |
| 26.07.2018 | Shakhter Soligorsk | 1-1 | Lech Poznan | |
*LASK Linz 6-1 Lillestrom SK
| 02.08.2018 | Lillestrom SK | 1-2 | LASK Linz | |
| 26.07.2018 | LASK Linz | 4-0 | Lillestrom SK | |
Chikhura Sachkhere 0-2 Maribor *
| 02.08.2018 | Maribor | 2-0 | Chikhura Sachkhere | |
| 26.07.2018 | Chikhura Sachkhere | 0-0 | Maribor | |
NK Osijek 1-2 Rangers FC *
| 02.08.2018 | Rangers FC | 1-1 | NK Osijek | |
| 26.07.2018 | NK Osijek | 0-1 | Rangers FC | |
Budapest Honved 1-2 Progrès Niedercorn *
| 02.08.2018 | Progrès Niedercorn | 2-0 | Budapest Honved | |
| 26.07.2018 | Budapest Honved | 1-0 | Progrès Niedercorn | |
*Maccabi Tel Aviv 4-2 Radnicki Nis
| 02.08.2018 | Radnicki Nis | 2-2 | Maccabi Tel Aviv | |
| 26.07.2018 | Maccabi Tel Aviv | 2-0 | Radnicki Nis | |
*Jagiellonia 5-4 Rio Ave
| 02.08.2018 | Rio Ave | 4-4 | Jagiellonia | |
| 26.07.2018 | Jagiellonia | 1-0 | Rio Ave | |
Rudar Velenje 0-6 FCSB *
| 02.08.2018 | FCSB | 4-0 | Rudar Velenje | |
| 26.07.2018 | Rudar Velenje | 0-2 | FCSB | |
St. Gallen 2-2 Sarpsborg 08 *
| 02.08.2018 | Sarpsborg 08 | 1-0 | St. Gallen | |
| 26.07.2018 | St. Gallen | 2-1 | Sarpsborg 08 | |
Balzan FC 3-4 Slovan Bratislava *
| 02.08.2018 | Slovan Bratislava | 3-1 | Balzan FC | |
| 26.07.2018 | Balzan FC | 2-1 | Slovan Bratislava | |
*Spartak Subotica 3-2 Sparta Praha
| 02.08.2018 | Sparta Praha | 2-1 | Spartak Subotica | |
| 26.07.2018 | Spartak Subotica | 2-0 | Sparta Praha | |
Tobol Kostanay 2-2 Pyunik FC *
| 31.07.2018 | Pyunik FC | 1-0 | Tobol Kostanay | |
| 26.07.2018 | Tobol Kostanay | 2-1 | Pyunik FC | |
*Sevilla FC 7-1 Ujpest FC
| 02.08.2018 | Ujpest FC | 1-3 | Sevilla FC | |
| 26.07.2018 | Sevilla FC | 4-0 | Ujpest FC | |
Viitorul Constanta 3-5 Vitesse Arnhem *
| 02.08.2018 | Vitesse Arnhem | 3-1 | Viitorul Constanta | |
| 26.07.2018 | Viitorul Constanta | 2-2 | Vitesse Arnhem | |
*VMFD Zalgiris 2-1 FC Vaduz
| 02.08.2018 | FC Vaduz | 1-1 | VMFD Zalgiris | |
| 26.07.2018 | VMFD Zalgiris | 1-0 | FC Vaduz | |