


| 02 Oct 20 | r01 | LeinsterLeinster | 35 - 5 | DragonsDragons |
| 10 Oct 20 | r02 | BenettonBenetton | 25 - 37 | LeinsterLeinster |
| 23 Oct 20 | r03 | LeinsterLeinster | 63 - 8 | ZebreZebre |
| 02 Nov 20 | r04 | GlasgowGlasgow | 19 - 32 | LeinsterLeinster |
| 08 Nov 20 | r05 | OspreysOspreys | 7 - 26 | LeinsterLeinster |
| 16 Nov 20 | r06 | LeinsterLeinster | 50 - 10 | EdinburghEdinburgh |
| 22 Nov 20 | r07 | LeinsterLeinster | 40 - 5 | Cardiff BluesCardiff Blues |
| 26 Dec 20 | r09 | MunsterMunster | P - P | LeinsterLeinster |
| 02 Jan 21 | r10 | LeinsterLeinster | 24 - 35 | ConnachtConnacht |
| 08 Jan 21 | r11 | LeinsterLeinster | 24 - 12 | UlsterUlster |
| 23 Jan 21 | r09 | MunsterMunster | 10 - 13 | LeinsterLeinster |
| 30 Jan 21 | r08 | ScarletsScarlets | 25 - 52 | LeinsterLeinster |
| 19 Feb 21 | r12 | DragonsDragons | 29 - 35 | LeinsterLeinster |
| 28 Feb 21 | r13 | LeinsterLeinster | 40 - 21 | GlasgowGlasgow |
| 06 Mar 21 | r14 | UlsterUlster | 19 - 38 | LeinsterLeinster |
| 12 Mar 21 | r15 | ZebreZebre | 31 - 48 | LeinsterLeinster |
| 19 Mar 21 | r16 | LeinsterLeinster | 19 - 24 | OspreysOspreys |
| 27 Mar 21 | Final | LeinsterLeinster | 16 - 6 | MunsterMunster |