| 06 Sep 15 | r01        | Cardiff BluesCardiff Blues | 61 - 13 | ZebreZebre |
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| 12 Sep 15 | r02        | LeinsterLeinster | 23 - 15 | Cardiff BluesCardiff Blues |
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| 03 Oct 15 | r03        | ConnachtConnacht | 36 - 31 | Cardiff BluesCardiff Blues |
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| 17 Oct 15 | r04        | MunsterMunster | 35 - 27 | Cardiff BluesCardiff Blues |
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| 23 Oct 15 | r05        | UlsterUlster | 24 - 17 | Cardiff BluesCardiff Blues |
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| 31 Oct 15 | r06        | ZebreZebre | 26 - 15 | Cardiff BluesCardiff Blues |
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| 07 Nov 15 | r07        | Cardiff BluesCardiff Blues | 30 - 35 | GlasgowGlasgow |
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| 28 Nov 15 | r08        | OspreysOspreys | 13 - 6 | Cardiff BluesCardiff Blues |
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| 04 Dec 15 | r09        | Cardiff BluesCardiff Blues | 20 - 16 | ConnachtConnacht |
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| 27 Dec 15 | r10        | DragonsDragons | 20 - 21 | Cardiff BluesCardiff Blues |
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| 01 Jan 16 | r11        | Cardiff BluesCardiff Blues | 29 - 27 | ScarletsScarlets |
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| 30 Jan 16 | r13        | Cardiff BluesCardiff Blues | 10 - 3 | EdinburghEdinburgh |
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| 13 Feb 16 | r14        | BenettonBenetton | 13 - 7 | Cardiff BluesCardiff Blues |
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| 20 Feb 16 | r15        | Cardiff BluesCardiff Blues | 13 - 14 | LeinsterLeinster |
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| 28 Feb 16 | r16        | Cardiff BluesCardiff Blues | 23 - 13 | UlsterUlster |
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| 06 Mar 16 | r17        | GlasgowGlasgow | 27 - 20 | Cardiff BluesCardiff Blues |
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| 18 Mar 16 | r12        | Cardiff BluesCardiff Blues | 37 - 28 | MunsterMunster |
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| 25 Mar 16 | r18        | Cardiff BluesCardiff Blues | 56 - 8 | BenettonBenetton |
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| 02 Apr 16 | r19        | ScarletsScarlets | 22 - 28 | Cardiff BluesCardiff Blues |
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| 17 Apr 16 | r20        | Cardiff BluesCardiff Blues | 28 - 8 | DragonsDragons |
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| 30 Apr 16 | r21        | Cardiff BluesCardiff Blues | 27 - 40 | OspreysOspreys |
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| 07 May 16 | r22        | EdinburghEdinburgh | 17 - 21 | Cardiff BluesCardiff Blues |