| ROUND | C | P | Q1 | Q2 | Q3 | Q4 | R1 | R2 | QF | SF | F | |||||||||||||
| sf | f | l1 | l2 | l1 | l2 | l1 | l2 | l1 | l2 | r1 | r2 | r3 | r4 | r5 | r6 | l1 | l2 | l1 | l2 | l1 | l2 | |||
| Season archive |
| Tuesday, 10 July 2018 | ||||||
| q1l1 |  Cork City | 0-1 | Legia Warszawa | |||
| q1l1 |  Flora | 1-4 | Hapoel Beer Sheva | |||
| q1l1 |  Torpedo Kutaisi | 2-1 | Sheriff | |||
| q1l1 |  F91 Düdelingen | 1-1 | MOL Fehérvár | |||
| q1l1 |  Sūduva | 3-1 | APOEL | |||
| q1l1 |  Shkëndija | 5-0 | The New Saints | |||
| q1l1 |  Astana | 1-0 | Sutjeska | |||
| q1l1 |  Víkingur | 1-2 | HJK | |||
| q1l1 |  Alashkert | 0-3 | Celtic | |||
| q1l1 |  Drita | 0-3 | Malmö FF | |||
| Wednesday, 11 July 2018 | ||||||
| q1l1 |  Valur | 1-0 | Rosenborg | |||
| q1l1 |  Spartak Trnava | 1-0 | Zrinjski | |||
| q1l1 |  Olimpija | 0-1 | Qarabag | |||
| q1l1 |  Spartaks | 0-0 | Crvena Zvezda | |||
| q1l1 |  Ludogorets | 7-0 | Crusaders | |||
| q1l1 |  Kukësi | 0-0 | Valletta | |||
| Tuesday, 17 July 2018 | ||||||
| q1l2 | Legia Warszawa | 3-0 | Cork City | 4-0 | ||
| q1l2 | HJK | 3-1 | Víkingur | 5-2 | ||
| q1l2 | Malmö FF | 2-0 | Drita | 5-0 | ||
| q1l2 | MOL Fehérvár | 2-1 | F91 Düdelingen | 3-2 | ||
| q1l2 | Crvena Zvezda | 2-0 | Spartaks | 2-0 | ||
| q1l2 | APOEL | 1-0 | Sūduva | 2-3 | ||
| q1l2 | Valletta | 1-1 | Kukësi | 1-1 | ||
| q1l2 | The New Saints | 4-0 | Shkëndija | 4-5 | ||
| q1l2 | Hapoel Beer Sheva | 3-1 | Flora | 7-2 | ||
| q1l2 | Crusaders | 0-2 | Ludogorets | 0-9 | ||
| Wednesday, 18 July 2018 | ||||||
| q1l2 | Rosenborg | 3-1 | Valur | 3-2 | ||
| q1l2 | Celtic | 3-0 | Alashkert | 6-0 | ||
| q1l2 | Sheriff | 3-0 | Torpedo Kutaisi | 4-2 | ||
| q1l2 | Qarabag | 0-0 | Olimpija | 1-0 | ||
| q1l2 | Zrinjski | 1-1 | Spartak Trnava | 1-2 | ||
| q1l2 | Sutjeska | 0-2 | Astana | 0-3 | ||
