| 27 Sep 25 | r01        | Cardiff RugbyCardiff Rugby | 33 - 20 | LionsLions |
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| 04 Oct 25 | r02        | MunsterMunster | 23 - 20 | Cardiff RugbyCardiff Rugby |
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| 11 Oct 25 | r03        | Cardiff RugbyCardiff Rugby | 14 - 8 | ConnachtConnacht |
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| 17 Oct 25 | r04        | DragonsDragons | 17 - 24 | Cardiff RugbyCardiff Rugby |
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| 25 Oct 25 | r05        | Cardiff RugbyCardiff Rugby | 20 - 19 | EdinburghEdinburgh |
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| 29 Nov 25 | r06        | ZebreZebre | 14 - 29 | Cardiff RugbyCardiff Rugby |
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| 19 Dec 25 | r07        | Cardiff RugbyCardiff Rugby | 17 - 21 | ScarletsScarlets |
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| 26 Dec 25 | r08        | Cardiff RugbyCardiff Rugby | 22 - 19 | DragonsDragons |
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| 01 Jan 26 | r09        | OspreysOspreys | 33 - 22 | Cardiff RugbyCardiff Rugby |
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| 24 Jan 26 | r10        | Cardiff RugbyCardiff Rugby | 17 - 8 | BenettonBenetton |
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| 31 Jan 26 | r11        | UlsterUlster | 21 - 14 | Cardiff RugbyCardiff Rugby |
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| 27 Feb 26 | r12        | Cardiff RugbyCardiff Rugby | 8 - 7 | LeinsterLeinster |
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| 20 Mar 26 | r13        | BullsBulls | 40 - 7 | Cardiff RugbyCardiff Rugby |
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| 27 Mar 26 | r14        | The SharksThe Sharks | 21 - 15 | Cardiff RugbyCardiff Rugby |
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| 18 Apr 26 | r15        | ScarletsScarlets | 24 - 28 | Cardiff RugbyCardiff Rugby |
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| 24 Apr 26 | r16        | Cardiff RugbyCardiff Rugby | 24 - 21 | OspreysOspreys |
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| 08 May 26 | r17        | GlasgowGlasgow | 40 - 17 | Cardiff RugbyCardiff Rugby |
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| 15 May 26 | r18        | Cardiff RugbyCardiff Rugby | 22 - 16 | StormersStormers |
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| 30 May 26 | QF        | StormersStormers | 44 - 21 | Cardiff RugbyCardiff Rugby |