| 04 Sep 15 | r01        | ConnachtConnacht | 29 - 23 | DragonsDragons |
| 04 Sep 15 | r01        | EdinburghEdinburgh | 16 - 9 | LeinsterLeinster |
| 04 Sep 15 | r01        | UlsterUlster | 28 - 6 | OspreysOspreys |
| 05 Sep 15 | r01        | GlasgowGlasgow | 10 - 16 | ScarletsScarlets |
| 05 Sep 15 | r01        | MunsterMunster | 18 - 13 | BenettonBenetton |
| 06 Sep 15 | r01        | Cardiff BluesCardiff Blues | 61 - 13 | ZebreZebre |
| |
| 11 Sep 15 | r02        | DragonsDragons | 13 - 0 | ZebreZebre |
| 11 Sep 15 | r02        | GlasgowGlasgow | 33 - 32 | ConnachtConnacht |
| 12 Sep 15 | r02        | ScarletsScarlets | 22 - 12 | UlsterUlster |
| 12 Sep 15 | r02        | BenettonBenetton | 24 - 27 | EdinburghEdinburgh |
| 12 Sep 15 | r02        | LeinsterLeinster | 23 - 15 | Cardiff BluesCardiff Blues |
| 13 Sep 15 | r02        | OspreysOspreys | 18 - 20 | MunsterMunster |
| |
| 02 Oct 15 | r03        | EdinburghEdinburgh | 20 - 9 | OspreysOspreys |
| 02 Oct 15 | r03        | MunsterMunster | 23 - 21 | GlasgowGlasgow |
| 02 Oct 15 | r03        | UlsterUlster | 48 - 7 | BenettonBenetton |
| 03 Oct 15 | r03        | LeinsterLeinster | 37 - 13 | DragonsDragons |
| 03 Oct 15 | r03        | ConnachtConnacht | 36 - 31 | Cardiff BluesCardiff Blues |
| 04 Oct 15 | r03        | ZebreZebre | 8 - 20 | ScarletsScarlets |
| |
| 16 Oct 15 | r04        | ConnachtConnacht | 34 - 15 | ZebreZebre |
| 16 Oct 15 | r04        | GlasgowGlasgow | 29 - 15 | DragonsDragons |
| 16 Oct 15 | r04        | ScarletsScarlets | 25 - 14 | LeinsterLeinster |
| 16 Oct 15 | r04        | EdinburghEdinburgh | 16 - 10 | UlsterUlster |
| 17 Oct 15 | r04        | BenettonBenetton | 22 - 25 | OspreysOspreys |
| 17 Oct 15 | r04        | MunsterMunster | 35 - 27 | Cardiff BluesCardiff Blues |
| |
| 23 Oct 15 | r05        | ScarletsScarlets | 25 - 22 | MunsterMunster |
| 23 Oct 15 | r05        | DragonsDragons | 19 - 12 | BenettonBenetton |
| 23 Oct 15 | r05        | UlsterUlster | 24 - 17 | Cardiff BluesCardiff Blues |
| 23 Oct 15 | r05        | LeinsterLeinster | 23 - 18 | GlasgowGlasgow |
| 24 Oct 15 | r05        | OspreysOspreys | 16 - 21 | ConnachtConnacht |
| 24 Oct 15 | r05        | ZebreZebre | 19 - 11 | EdinburghEdinburgh |
| |
| 30 Oct 15 | r06        | MunsterMunster | 32 - 28 | UlsterUlster |
| 30 Oct 15 | r06        | ScarletsScarlets | 25 - 15 | DragonsDragons |
| 31 Oct 15 | r06        | ZebreZebre | 26 - 15 | Cardiff BluesCardiff Blues |
| 31 Oct 15 | r06        | ConnachtConnacht | 14 - 9 | EdinburghEdinburgh |
| 01 Nov 15 | r06        | GlasgowGlasgow | 31 - 19 | OspreysOspreys |
| 01 Nov 15 | r06        | BenettonBenetton | 3 - 27 | LeinsterLeinster |
| |
| 06 Nov 15 | r07        | ConnachtConnacht | 33 - 19 | BenettonBenetton |
| 06 Nov 15 | r07        | LeinsterLeinster | 19 - 15 | ScarletsScarlets |
| 07 Nov 15 | r07        | OspreysOspreys | 36 - 3 | ZebreZebre |
| 07 Nov 15 | r07        | Cardiff BluesCardiff Blues | 30 - 35 | GlasgowGlasgow |
| 07 Nov 15 | r07        | EdinburghEdinburgh | 14 - 16 | MunsterMunster |
| 08 Nov 15 | r07        | DragonsDragons | 12 - 19 | UlsterUlster |
| |
| 27 Nov 15 | r08        | EdinburghEdinburgh | 32 - 13 | DragonsDragons |
| 27 Nov 15 | r08        | GlasgowGlasgow | 13 - 6 | BenettonBenetton |
| 27 Nov 15 | r08        | LeinsterLeinster | 8 - 3 | UlsterUlster |
| 28 Nov 15 | r08        | OspreysOspreys | 13 - 6 | Cardiff BluesCardiff Blues |
| 28 Nov 15 | r08        | MunsterMunster | 12 - 18 | ConnachtConnacht |
| 29 Nov 15 | r08        | ScarletsScarlets | 20 - 12 | ZebreZebre |
| |
| 04 Dec 15 | r09        | Cardiff BluesCardiff Blues | 20 - 16 | ConnachtConnacht |
| 04 Dec 15 | r09        | UlsterUlster | 14 - 7 | EdinburghEdinburgh |
| 05 Dec 15 | r09        | BenettonBenetton | 20 - 22 | ScarletsScarlets |
| 06 Dec 15 | r09        | ZebreZebre | 22 - 39 | OspreysOspreys |
| 06 Dec 15 | r09        | DragonsDragons | 22 - 6 | MunsterMunster |
| |
| 26 Dec 15 | r10        | ScarletsScarlets | 26 - 27 | OspreysOspreys |
| 26 Dec 15 | r10        | ConnachtConnacht | 3 - 10 | UlsterUlster |
| 27 Dec 15 | r10        | ZebreZebre | 28 - 25 | BenettonBenetton |
| 27 Dec 15 | r10        | DragonsDragons | 20 - 21 | Cardiff BluesCardiff Blues |
| 27 Dec 15 | r10        | EdinburghEdinburgh | 23 - 11 | GlasgowGlasgow |
| 27 Dec 15 | r10        | MunsterMunster | 7 - 24 | LeinsterLeinster |
| |
| 01 Jan 16 | r11        | OspreysOspreys | 12 - 7 | DragonsDragons |
| 01 Jan 16 | r11        | Cardiff BluesCardiff Blues | 29 - 27 | ScarletsScarlets |
| 01 Jan 16 | r11        | LeinsterLeinster | 13 - 0 | ConnachtConnacht |
| 02 Jan 16 | r11        | UlsterUlster | 7 - 9 | MunsterMunster |
| 02 Jan 16 | r11        | GlasgowGlasgow | 11 - 14 | EdinburghEdinburgh |
| 03 Jan 16 | r11        | BenettonBenetton | 8 - 18 | ZebreZebre |
| |
| 08 Jan 16 | r12        | EdinburghEdinburgh | 28 - 13 | BenettonBenetton |
| 08 Jan 16 | r12        | OspreysOspreys | 9 - 22 | LeinsterLeinster |
| 10 Jan 16 | r12        | ScarletsScarlets | 21 - 19 | ConnachtConnacht |
| |
| 29 Jan 16 | r13        | DragonsDragons | 23 - 13 | LeinsterLeinster |
| 30 Jan 16 | r13        | ZebreZebre | 12 - 16 | MunsterMunster |
| 30 Jan 16 | r13        | ConnachtConnacht | 30 - 17 | ScarletsScarlets |
| 30 Jan 16 | r13        | BenettonBenetton | 13 - 32 | UlsterUlster |
| 30 Jan 16 | r13        | Cardiff BluesCardiff Blues | 10 - 3 | EdinburghEdinburgh |
| 31 Jan 16 | r13        | OspreysOspreys | 20 - 20 | GlasgowGlasgow |
| |
| 05 Feb 16 | r12        | UlsterUlster | 17 - 15 | DragonsDragons |
| |
| 11 Feb 16 | r14        | DragonsDragons | 21 - 26 | ConnachtConnacht |
| 12 Feb 16 | r14        | LeinsterLeinster | 52 - 0 | ZebreZebre |
| 12 Feb 16 | r14        | UlsterUlster | 13 - 10 | GlasgowGlasgow |
| 12 Feb 16 | r14        | ScarletsScarlets | 22 - 21 | EdinburghEdinburgh |
| 13 Feb 16 | r14        | BenettonBenetton | 13 - 7 | Cardiff BluesCardiff Blues |
| 14 Feb 16 | r14        | MunsterMunster | 17 - 21 | OspreysOspreys |
| |
| 19 Feb 16 | r15        | BenettonBenetton | 19 - 17 | DragonsDragons |
| 19 Feb 16 | r15        | OspreysOspreys | 27 - 13 | EdinburghEdinburgh |
| 19 Feb 16 | r15        | GlasgowGlasgow | 27 - 24 | MunsterMunster |
| 20 Feb 16 | r15        | Cardiff BluesCardiff Blues | 13 - 14 | LeinsterLeinster |
| 20 Feb 16 | r15        | ZebreZebre | 34 - 51 | ConnachtConnacht |
| 21 Feb 16 | r15        | UlsterUlster | 20 - 21 | ScarletsScarlets |
| |
| 25 Feb 16 | r16        | DragonsDragons | 15 - 18 | GlasgowGlasgow |
| 27 Feb 16 | r16        | ConnachtConnacht | 30 - 22 | OspreysOspreys |
| 28 Feb 16 | r16        | BenettonBenetton | 13 - 16 | MunsterMunster |
| 28 Feb 16 | r16        | EdinburghEdinburgh | 24 - 23 | ScarletsScarlets |
| 28 Feb 16 | r16        | Cardiff BluesCardiff Blues | 23 - 13 | UlsterUlster |
| 28 Feb 16 | r16        | ZebreZebre | 10 - 27 | LeinsterLeinster |
| |
| 04 Mar 16 | r17        | ScarletsScarlets | 24 - 15 | BenettonBenetton |
| 04 Mar 16 | r17        | EdinburghEdinburgh | 23 - 28 | ConnachtConnacht |
| 04 Mar 16 | r17        | UlsterUlster | 32 - 0 | ZebreZebre |
| 05 Mar 16 | r17        | LeinsterLeinster | 19 - 16 | OspreysOspreys |
| 05 Mar 16 | r17        | MunsterMunster | 26 - 5 | DragonsDragons |
| 06 Mar 16 | r17        | GlasgowGlasgow | 27 - 20 | Cardiff BluesCardiff Blues |
| |
| 18 Mar 16 | r12        | Cardiff BluesCardiff Blues | 37 - 28 | MunsterMunster |