| A(D) | Clubs | VS | MD | |
|---|---|---|---|---|
| 24(298) | Salzburg | Red Star Belgrade | 29-Aug-2018 | Match Details |
| 24(26) | AFC Ajax | Sturm Graz | 25-Jul-2018 | Match Details |
| 25(234) | PSV Eindhoven | FC BATE Borisov | 21-Aug-2018 | Match Details |
| 25(336) | Celtic | Alashkert FC | 10-Jul-2018 | Match Details |
| 25(180) | Dynamo Kyiv | AFC Ajax | 28-Aug-2018 | Match Details |
| 26(200) | Sturm Graz | AFC Ajax | 01-Aug-2018 | Match Details |
| 26(210) | Benfica | PAOK Salonika | 21-Aug-2018 | Match Details |
| 26(277) | AEK Athens | Celtic | 08-Aug-2018 | Match Details |
| 26(289) | Flora Talinn | Hapoel Be`er Sheva | 17-Jul-2018 | Match Details |
| 26(326) | KF Shkendija | Salzburg | 08-Aug-2018 | Match Details |
| 26(331) | FC Basel | PAOK Salonika | 24-Jul-2018 | Match Details |
| 26(347) | HSK Zrinjski Mostar | Spartak Trnava | 18-Jul-2018 | Match Details |
| 26(22) | Standard Liege | AFC Ajax | 14-Aug-2018 | Match Details |
| 26(65) | Rosenborg BK | Valur | 11-Jul-2018 | Match Details |
| 26(100) | FK Sutjeska Niksic | FC Astana | 11-Jul-2018 | Match Details |
| 26(116) | Olimpija Ljubljana | Qarabag FK | 11-Jul-2018 | Match Details |
| 26(128) | The New Saints FC | KF Shkendija | 17-Jul-2018 | Match Details |
| 26(146) | Slavia Prague | Dynamo Kyiv | 14-Aug-2018 | Match Details |
| 26(174) | Dinamo Zagreb | BSC Young Boys | 22-Aug-2018 | Match Details |
| 26(180) | Torpedo Kutaisi | FC Sheriff Tiraspol | 18-Jul-2018 | Match Details |
| 27(223) | Red Star Belgrade | FK Spartaks Jurmala | 11-Jul-2018 | Match Details |
| 27(266) | FC Sheriff Tiraspol | Torpedo Kutaisi | 10-Jul-2018 | Match Details |
| 27(300) | FC Drita | FC Santa Coloma | 26-Jun-2018 | Match Details |
| 27(347) | Spartak Trnava | HSK Zrinjski Mostar | 11-Jul-2018 | Match Details |
| 27(353) | BSC Young Boys | Dinamo Zagreb | 22-Aug-2018 | Match Details |
| 27(1) | Malmo FF | FC Drita | 17-Jul-2018 | Match Details |
| 27(48) | FC Midtylland | FC Astana | 01-Aug-2018 | Match Details |
| 27(53) | Cork City | Legia Warsaw | 10-Jul-2018 | Match Details |
| 27(80) | HJK Helsinki | Vikingur Gota | 10-Jul-2018 | Match Details |
| 27(80) | FC BATE Borisov | HJK Helsinki | 01-Aug-2018 | Match Details |
| 27(127) | Spartak Moscow | PAOK Salonika | 14-Aug-2018 | Match Details |
| 28(217) | Alashkert FC | Celtic | 10-Jul-2018 | Match Details |
| 28(247) | FK Kukesi | Qarabag FK | 25-Jul-2018 | Match Details |
| 28(271) | Qarabag FK | Olimpija Ljubljana | 11-Jul-2018 | Match Details |
| 28(325) | Lincoln Red Imps | La Fiorita | 26-Jun-2018 | Match Details |
| 28(48) | Crusaders FC | Ludogorets Razgrad | 17-Jul-2018 | Match Details |
| 28(71) | PAOK Salonika | FC Basel | 24-Jul-2018 | Match Details |
| 28(105) | Legia Warsaw | Cork City | 10-Jul-2018 | Match Details |
| 28(127) | Valur | Rosenborg BK | 11-Jul-2018 | Match Details |
| 29(247) | FK Spartaks Jurmala | Red Star Belgrade | 11-Jul-2018 | Match Details |
| 29(249) | Valletta | FK Kukesi | 11-Jul-2018 | Match Details |
| 29(271) | F91 Dudelange | Videoton FC | 10-Jul-2018 | Match Details |
| 29(273) | APOEL Nicosia | FK Suduva Marijampole | 11-Jul-2018 | Match Details |
| 29(349) | Hapoel Be`er Sheva | Flora Talinn | 17-Jul-2018 | Match Details |
| 29(5) | Videoton FC | Malmo FF | 07-Aug-2018 | Match Details |
| 29(97) | Vikingur Gota | HJK Helsinki | 10-Jul-2018 | Match Details |
| 29(105) | Ludogorets Razgrad | Videoton FC | 01-Aug-2018 | Match Details |
| 29(133) | FC Santa Coloma | FC Drita | 26-Jun-2018 | Match Details |
| 29(181) | FK Suduva Marijampole | APOEL Nicosia | 11-Jul-2018 | Match Details |
| 30(225) | FC Astana | FK Sutjeska Niksic | 11-Jul-2018 | Match Details |
| 30(346) | Fenerbahce | Benfica | 14-Aug-2018 | Match Details |
| 30(132) | CFR Cluj | Malmo FF | 24-Jul-2018 | Match Details |
| 33(14) | La Fiorita | Lincoln Red Imps | 26-Jun-2018 | Match Details |
MD = Match date,
A(D) = Age(Days).