| 07 Mar 15 | r01        | North Queensland Cowboys North Queensl | 4 - 28 | Sydney RoostersSydney Rooste |
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| 15 Mar 15 | r02        | South Sydney RabbitohsSouth Sydney | 34 - 26 | Sydney RoostersSydney Rooste |
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| 23 Mar 15 | r03        | Sydney RoostersSydney Rooste | 20 - 12 | Penrith PanthersPenrith Panth |
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| 29 Mar 15 | r04        | Sydney RoostersSydney Rooste | 34 - 6 | Canberra RaidersCanberra Raid |
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| 05 Apr 15 | r05        | Sydney RoostersSydney Rooste | 12 - 20 | Cronulla SharksCronulla Shar |
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| 10 Apr 15 | r06        | Brisbane BroncosBrisbane Bron | 22 - 18 | Sydney RoostersSydney Rooste |
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| 18 Apr 15 | r07        | Melbourne StormMelbourne Sto | 17 - 16 | Sydney RoostersSydney Rooste |
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| 25 Apr 15 | r08        | Sydney RoostersSydney Rooste | 12 - 14 | St. George Illawara DragoSt. George Il |
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| 08 May 15 | r09        | Sydney RoostersSydney Rooste | 36 - 4 | Wests TigersWests Tigers |
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| 15 May 15 | r10        | Canterbury Bankstown BullCanterbury Ba | 10 - 24 | Sydney RoostersSydney Rooste |
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| 01 Jun 15 | r12        | Sydney RoostersSydney Rooste | 24 - 2 | Melbourne StormMelbourne Sto |
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| 07 Jun 15 | r13        | Cronulla SharksCronulla Shar | 10 - 4 | Sydney RoostersSydney Rooste |
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| 13 Jun 15 | r14        | New Zealand WarriorsNew Zealand W | 21 - 25 | Sydney RoostersSydney Rooste |
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| 22 Jun 15 | r15        | St. George Illawara DragoSt. George Il | 14 - 19 | Sydney RoostersSydney Rooste |
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| 28 Jun 15 | r16        | Sydney RoostersSydney Rooste | 20 - 10 | Gold Coast TitansGold Coast Ti |
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| 11 Jul 15 | r18        | Penrith PanthersPenrith Panth | 4 - 24 | Sydney RoostersSydney Rooste |
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| 19 Jul 15 | r19        | Sydney RoostersSydney Rooste | 24 - 0 | New Zealand WarriorsNew Zealand W |
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| 24 Jul 15 | r20        | Wests TigersWests Tigers | 8 - 33 | Sydney RoostersSydney Rooste |
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| 31 Jul 15 | r21        | Sydney RoostersSydney Rooste | 38 - 28 | Canterbury Bankstown BullCanterbury Ba |
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| 09 Aug 15 | r22        | Newcastle Knights Newcastle Kni | 22 - 38 | Sydney RoostersSydney Rooste |
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| 15 Aug 15 | r23        | Sydney RoostersSydney Rooste | 28 - 18 | Parramatta EelsParramatta Ee |
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| 22 Aug 15 | r24        | Sydney RoostersSydney Rooste | 12 - 10 | Brisbane BroncosBrisbane Bron |
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| 28 Aug 15 | r25        | Manly Sea EaglesManly Sea Eag | 10 - 46 | Sydney RoostersSydney Rooste |
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| 04 Sep 15 | r26        | Sydney RoostersSydney Rooste | 30 - 0 | South Sydney RabbitohsSouth Sydney |
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| 11 Sep 15 | r00        | Sydney RoostersSydney Rooste | 18 - 20 | Melbourne StormMelbourne Sto |
| 18 Sep 15 | r00        | Sydney RoostersSydney Rooste | 38 - 12 | Canterbury Bankstown BullCanterbury Ba |
| 25 Sep 15 | r00        | Brisbane BroncosBrisbane Bron | 31 - 12 | Sydney RoostersSydney Rooste |