| A(D) | Club | VS | MD | |
|---|---|---|---|---|
| 22(361) | Cardiff Blues | Toulon | 12-Jan-2013 | Match Details |
| 23(212) | Connacht | Harlequins | 12-Jan-2013 | Match Details |
| 23(72) | Scarlets | Clermont Auvergne | 19-Jan-2013 | Match Details |
| 23(167) | Glasgow Warriors | Ulster | 19-Oct-2012 | Match Details |
| 23(176) | Benetton Treviso | Leicester Tigers | 09-Dec-2012 | Match Details |
| 24(339) | Leicester Tigers | Benetton Treviso | 15-Dec-2012 | Match Details |
| 24(6) | Sale Sharks | Cardiff Blues | 19-Jan-2013 | Match Details |
| 25(222) | Montpellier | Sale Sharks | 11-Jan-2013 | Match Details |
| 25(298) | Toulouse | Ospreys | 15-Dec-2012 | Match Details |
| 25(300) | Ospreys | Benetton Treviso | 12-Oct-2012 | Match Details |
| 25(65) | Northampton Saints | Ulster | 07-Dec-2012 | Match Details |
| 25(81) | Ulster | Saracens | 06-Apr-2013 | Match Details |
| 25(89) | Edinburgh Rugby | Racing CF | 14-Dec-2012 | Match Details |
| 26(203) | Zebre | Connacht | 18-Jan-2013 | Match Details |
| 26(260) | Harlequins | Connacht | 20-Oct-2012 | Match Details |
| 26(274) | Leinster | Exeter Chiefs | 19-Jan-2013 | Match Details |
| 26(37) | Saracens | Munster | 16-Dec-2012 | Match Details |
| 27(359) | Biarritz | Harlequins | 13-Oct-2012 | Match Details |
| 27(23) | Munster | Racing CF | 20-Jan-2013 | Match Details |
| 27(57) | Racing CF | Munster | 13-Oct-2012 | Match Details |
| 27(122) | Clermont Auvergne | Exeter Chiefs | 12-Jan-2013 | Match Details |
| 27(151) | Castres | Glasgow Warriors | 07-Dec-2012 | Match Details |
| 28(241) | Toulon | Cardiff Blues | 21-Oct-2012 | Match Details |
| 28(15) | Exeter Chiefs | Scarlets | 15-Dec-2012 | Match Details |
MD = Match date,
A(D) = Age(days).