| # | Group 1 | MP | W | D | L | TP | Pts | Form |
|---|
| 1. | Stade Rochelais | 6 | 4 | 0 | 2 | 156:121 | 20 | |
| 2. | Wasps | 6 | 3 | 0 | 3 | 154:121 | 17 | |
| 3. | Ulster | 6 | 4 | 0 | 2 | 132:118 | 17 | |
| 4. | Harlequins | 6 | 1 | 0 | 5 | 106:188 | 7 | |
| # | Group 2 | MP | W | D | L | TP | Pts | Form |
|---|
| 1. | Clermont | 6 | 5 | 0 | 1 | 165:104 | 22 | |
| 2. | Saracens | 6 | 3 | 1 | 2 | 205:146 | 18 | |
| 3. | Ospreys | 6 | 2 | 1 | 3 | 152:148 | 15 | |
| 4. | Northampton Saints | 6 | 1 | 0 | 5 | 115:239 | 6 | |
| # | Group 3 | MP | W | D | L | TP | Pts | Form |
|---|
| 1. | Leinster | 6 | 6 | 0 | 0 | 176:93 | 27 | |
| 2. | Exeter Chiefs | 6 | 3 | 0 | 3 | 138:117 | 15 | |
| 3. | Montpellier | 6 | 2 | 0 | 4 | 130:163 | 13 | |
| 4. | Glasgow Warriors | 6 | 1 | 0 | 5 | 128:199 | 7 | |
| # | Group 4 | MP | W | D | L | TP | Pts | Form |
|---|
| 1. | Munster | 6 | 4 | 1 | 1 | 167:87 | 21 | |
| 2. | Racing 92 | 6 | 4 | 0 | 2 | 128:105 | 19 | |
| 3. | Castres Olympique | 6 | 2 | 1 | 3 | 111:161 | 12 | |
| 4. | Leicester Tigers | 6 | 1 | 0 | 5 | 118:171 | 7 | |
| # | Group 5 | MP | W | D | L | TP | Pts | Form |
|---|
| 1. | Scarlets | 6 | 4 | 0 | 2 | 162:123 | 21 | |
| 2. | RC Toulonnais | 6 | 4 | 0 | 2 | 159:125 | 19 | |
| 3. | Bath | 6 | 4 | 0 | 2 | 151:121 | 18 | |
| 4. | Benetton | 6 | 0 | 0 | 6 | 97:200 | 4 | |
| # | Ranking of second-placed teams | MP | W | D | L | TP | Pts | Form |
|---|
| 1. | RC Toulonnais | 6 | 4 | 0 | 2 | 159:125 | 19 | |
| 2. | Racing 92 | 6 | 4 | 0 | 2 | 128:105 | 19 | |
| 3. | Saracens | 6 | 3 | 1 | 2 | 205:146 | 18 | |
| 4. | Wasps | 6 | 3 | 0 | 3 | 154:121 | 17 | |
| 5. | Exeter Chiefs | 6 | 3 | 0 | 3 | 138:117 | 15 | |
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