| A(D) | Club | VS | MD | |
|---|---|---|---|---|
| 14(301) | Bourgoin | Benetton Treviso | 18-Jan-2004 | Match Details |
| 18(173) | Scottish Borders | Northampton Saints | 10-Jan-2004 | Match Details |
| 21(104) | Leicester Tigers | Stade Francais | 06-Dec-2003 | Match Details |
| 22(220) | Leinster | Cardiff Blues | 23-Jan-2004 | Match Details |
| 23(338) | Leeds Tykes | Toulouse | 25-Jan-2004 | Match Details |
| 23(150) | Calvisano | Celtic Warriors | 05-Dec-2003 | Match Details |
| 24(165) | Cardiff Blues | Biarritz | 17-Jan-2004 | Match Details |
| 24(181) | Gloucester | Benetton Treviso | 06-Dec-2003 | Match Details |
| 25(233) | Biarritz | Toulouse | 24-Apr-2004 | Match Details |
| 25(280) | Toulouse | Leeds Tykes | 12-Dec-2003 | Match Details |
| 26(258) | Edinburgh Rugby | Toulouse | 10-Apr-2004 | Match Details |
| 26(360) | Ospreys | Leeds Tykes | 31-Jan-2004 | Match Details |
| 26(362) | London Wasps | Calvisano | 25-Jan-2004 | Match Details |
| 26(23) | Benetton Treviso | Bourgoin | 10-Jan-2004 | Match Details |
| 26(154) | Sale Sharks | Cardiff Blues | 31-Jan-2004 | Match Details |
| 26(169) | Perpignan | London Wasps | 07-Dec-2003 | Match Details |
| 26(175) | Scarlets | Scottish Borders | 23-Jan-2004 | Match Details |
| 27(206) | Agen | Scottish Borders | 01-Feb-2004 | Match Details |
| 27(206) | Northampton Saints | Scarlets | 05-Dec-2003 | Match Details |
| 27(254) | Celtic Warriors | London Wasps | 16-Jan-2004 | Match Details |
| 27(277) | Stade Francais | Leicester Tigers | 06-Dec-2003 | Match Details |
| 27(360) | Gwent Dragons | Ulster | 07-Dec-2003 | Match Details |
| 28(126) | Munster | Bourgoin | 31-Jan-2004 | Match Details |
| 29(313) | Ulster | Stade Francais | 24-Jan-2004 | Match Details |
MD = Match date,
A(D) = Age(days).