| A(D) | Club | VS | MD | |
|---|---|---|---|---|
| 19(90) | Cavalieri Prato | Grenoble | 19-Jan-2013 | Match Details |
| 20(346) | Mogliano Rugby | Bayonne | 19-Jan-2013 | Match Details |
| 21(186) | London Irish | Mont de Marsan | 10-Jan-2013 | Match Details |
| 22(333) | Mont de Marsan | Gloucester | 11-Oct-2012 | Match Details |
| 22(167) | Agen | Bath | 18-Oct-2012 | Match Details |
| 23(56) | Rovigo | Bizkala Gernika RT | 15-Dec-2012 | Match Details |
| 23(103) | Gwent Dragons | London Wasps | 13-Oct-2012 | Match Details |
| 24(230) | Bizkala Gernika RT | Rovigo | 15-Dec-2012 | Match Details |
| 24(335) | Begles-Bordeaux | Gloucester | 18-Oct-2012 | Match Details |
| 24(88) | London Wasps | Mogliano Rugby | 21-Oct-2012 | Match Details |
| 24(172) | Gloucester | Mont de Marsan | 19-Jan-2013 | Match Details |
| 25(247) | Worcester Warriors | Bizkala Gernika RT | 13-Oct-2012 | Match Details |
| 25(77) | London Welsh | Grenoble | 07-Dec-2012 | Match Details |
| 25(104) | Bath | Bucuresti | 13-Oct-2012 | Match Details |
| 25(117) | Stade Francais | London Welsh | 13-Oct-2012 | Match Details |
| 26(233) | Perpignan | Rovigo | 17-Jan-2013 | Match Details |
| 26(45) | Bucuresti | Bath | 13-Oct-2012 | Match Details |
| 27(359) | Bayonne | Gwent Dragons | 10-Jan-2013 | Match Details |
| 27(147) | Toulouse | Perpignan | 05-Apr-2013 | Match Details |
| 28(208) | Calvisano | Bath | 15-Dec-2012 | Match Details |
| 28(271) | Grenoble | London Welsh | 07-Dec-2012 | Match Details |
| 28(286) | Biarritz | Gloucester | 04-Apr-2013 | Match Details |
| 28(311) | Leinster | Stade Francais | 17-May-2013 | Match Details |
MD = Match date,
A(D) = Age(days).