| A(D) | Club | VS | MD | |
|---|---|---|---|---|
| 25(227) | Glasgow Warriors | Montpellier | 08-Dec-2017 | Match Details |
| 25(355) | Bath | Benetton Treviso | 14-Oct-2017 | Match Details |
| 25(40) | Harlequins | Ulster | 15-Dec-2017 | Match Details |
| 25(164) | Scarlets | Toulon | 15-Oct-2017 | Match Details |
| 26(236) | Montpellier | Exeter Chiefs | 22-Oct-2017 | Match Details |
| 26(312) | Saracens | Northampton Saints | 15-Oct-2017 | Match Details |
| 26(322) | Benetton Treviso | Scarlets | 09-Dec-2017 | Match Details |
| 26(34) | Exeter Chiefs | Leinster | 16-Dec-2017 | Match Details |
| 26(36) | Leinster | Montpellier | 14-Oct-2017 | Match Details |
| 26(159) | La Rochelle | Scarlets | 30-Mar-2018 | Match Details |
| 26(173) | Leicester Tigers | Castres | 14-Jan-2018 | Match Details |
| 27(209) | Ospreys | Saracens | 21-Oct-2017 | Match Details |
| 27(256) | Ulster | Harlequins | 10-Dec-2017 | Match Details |
| 27(331) | Northampton Saints | Ospreys | 09-Dec-2017 | Match Details |
| 27(59) | London Wasps | Ulster | 21-Jan-2018 | Match Details |
| 27(149) | Racing CF | Castres | 09-Dec-2017 | Match Details |
| 27(175) | Clermont Auvergne | Ospreys | 15-Oct-2017 | Match Details |
| 28(213) | Toulon | Benetton Treviso | 21-Oct-2017 | Match Details |
| 28(322) | Munster | Toulon | 31-Mar-2018 | Match Details |
| 30(42) | Castres | Leicester Tigers | 21-Oct-2017 | Match Details |
MD = Match date,
A(D) = Age(days).