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| Pool A Standings [1] | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P | W | D | L | PF | PA | Diff | TF | TA | TB | LB | Pts | |
 Racing 92
|
4 | 4 | 0 | 0 | 126 | 24 | +102 | 16 | 3 | 3 | 0 | 19 |
 Ulster
|
4 | 4 | 0 | 0 | 114 | 96 | +18 | 15 | 9 | 3 | 0 | 19 |
| La Rochelle
|
4 | 3 | 1 | 0 | 97 | 64 | +33 | 11 | 7 | 2 | 0 | 16 |
| Leinster
|
4 | 3 | 0 | 1 | 198 | 62 | +136 | 30 | 8 | 3 | 0 | 15 |
 Sale Sharks
|
4 | 2 | 1 | 1 | 89 | 48 | +41 | 13 | 5 | 1 | 1 | 12 |
| Exeter Chiefs
|
4 | 2 | 0 | 2 | 127 | 82 | +45 | 19 | 7 | 3 | 0 | 11 |
| Montpellier
|
4 | 2 | 0 | 2 | 78 | 157 | –79 | 9 | 23 | 2 | 0 | 10 |
| Clermont
|
4 | 1 | 1 | 2 | 79 | 82 | –3 | 8 | 10 | 0 | 2 | 8 |
 Glasgow Warriors
|
4 | 1 | 0 | 3 | 82 | 117 | –35 | 7 | 15 | 0 | 1 | 5 |
| Northampton Saints
|
4 | 0 | 0 | 4 | 56 | 124 | –68 | 6 | 17 | 0 | 2 | 2 |
| Bath
|
4 | 0 | 1 | 3 | 48 | 148 | –100 | 6 | 22 | 0 | 0 | 2 |
 Ospreys
|
4 | 0 | 0 | 4 | 33 | 123 | –90 | 3 | 17 | 0 | 0 | 0 |
- ^ "Pool Tables". Heineken Champions Cup. EPCR. Retrieved 21 July 2021.