| A(D) | Club | VS | MD | |
|---|---|---|---|---|
| 22(115) | Gwent Dragons | Scarlets | 05-Jan-2018 | Match Details |
| 22(169) | Connacht | Ospreys | 06-Apr-2018 | Match Details |
| 24(281) | Glasgow Warriors | Edinburgh Rugby | 30-Dec-2017 | Match Details |
| 24(308) | Edinburgh Rugby | Leinster | 09-Feb-2018 | Match Details |
| 24(154) | Ulster | Gwent Dragons | 01-Dec-2017 | Match Details |
| 25(344) | Zebre | Munster | 26-Nov-2017 | Match Details |
| 25(345) | Leinster | Connacht | 01-Jan-2018 | Match Details |
| 25(58) | Cheetahs | Zebre | 16-Sep-2017 | Match Details |
| 25(158) | Benetton Treviso | Ulster | 09-Sep-2017 | Match Details |
| 26(204) | Scarlets | Cardiff Blues | 31-Dec-2017 | Match Details |
| 26(304) | Ospreys | Cheetahs | 24-Feb-2018 | Match Details |
| 26(335) | Munster | Connacht | 06-Jan-2018 | Match Details |
| 26(47) | Southern Kings | Leinster | 23-Feb-2018 | Match Details |
| 27(254) | Cardiff Blues | Scarlets | 28-Oct-2017 | Match Details |
MD = Match date,
A(D) = Age(days).