| 11 Mar 13 | r01        | Newcastle Knights Newcastle Kni | 42 - 10 | Wests TigersWests Tigers |
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| 17 Mar 13 | r02        | Manly Sea EaglesManly Sea Eag | 32 - 0 | Newcastle Knights Newcastle Kni |
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| 25 Mar 13 | r03        | Newcastle Knights Newcastle Kni | 34 - 6 | North Queensland Cowboys North Queensl |
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| 31 Mar 13 | r04        | Newcastle Knights Newcastle Kni | 28 - 12 | Canberra RaidersCanberra Raid |
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| 07 Apr 13 | r05        | St. George Illawara DragoSt. George Il | 19 - 16 | Newcastle Knights Newcastle Kni |
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| 13 Apr 13 | r06        | Newcastle Knights Newcastle Kni | 8 - 6 | Penrith PanthersPenrith Panth |
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| 28 Apr 13 | r07        | Gold Coast TitansGold Coast Ti | 6 - 30 | Newcastle Knights Newcastle Kni |
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| 05 May 13 | r08        | Newcastle Knights Newcastle Kni | 20 - 21 | Cronulla SharksCronulla Shar |
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| 12 May 13 | r09        | Canberra RaidersCanberra Raid | 44 - 14 | Newcastle Knights Newcastle Kni |
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| 19 May 13 | r10        | Newcastle Knights Newcastle Kni | 44 - 8 | Canterbury Bankstown BullCanterbury Ba |
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| 26 May 13 | r11        | New Zealand WarriorsNew Zealand W | 28 - 12 | Newcastle Knights Newcastle Kni |
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| 01 Jun 13 | r12        | South Sydney RabbitohsSouth Sydney | 25 - 18 | Newcastle Knights Newcastle Kni |
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| 08 Jun 13 | r13        | Newcastle Knights Newcastle Kni | 8 - 14 | St. George Illawara DragoSt. George Il |
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| 16 Jun 13 | r14        | Melbourne StormMelbourne Sto | 16 - 14 | Newcastle Knights Newcastle Kni |
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| 30 Jun 13 | r16        | Newcastle Knights Newcastle Kni | 46 - 16 | Gold Coast TitansGold Coast Ti |
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| 07 Jul 13 | r17        | Canterbury Bankstown BullCanterbury Ba | 12 - 18 | Newcastle Knights Newcastle Kni |
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| 21 Jul 13 | r19        | Penrith PanthersPenrith Panth | 14 - 32 | Newcastle Knights Newcastle Kni |
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| 28 Jul 13 | r20        | Newcastle Knights Newcastle Kni | 12 - 28 | Sydney RoostersSydney Rooste |
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| 02 Aug 13 | r21        | Newcastle Knights Newcastle Kni | 18 - 18 | Brisbane BroncosBrisbane Bron |
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| 10 Aug 13 | r22        | Cronulla SharksCronulla Shar | 14 - 18 | Newcastle Knights Newcastle Kni |
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| 18 Aug 13 | r23        | Newcastle Knights Newcastle Kni | 10 - 23 | Melbourne StormMelbourne Sto |
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| 24 Aug 13 | r24        | North Queensland Cowboys North Queensl | 26 - 6 | Newcastle Knights Newcastle Kni |
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| 30 Aug 13 | r25        | Brisbane BroncosBrisbane Bron | 18 - 26 | Newcastle Knights Newcastle Kni |
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| 08 Sep 13 | r26        | Newcastle Knights Newcastle Kni | 54 - 6 | Parramatta EelsParramatta Ee |
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| 15 Sep 13 | r00        | Canterbury Bankstown BullCanterbury Ba | 6 - 22 | Newcastle Knights Newcastle Kni |
| 21 Sep 13 | r00        | Melbourne StormMelbourne Sto | 16 - 18 | Newcastle Knights Newcastle Kni |
| 28 Sep 13 | r00        | Sydney RoostersSydney Rooste | 40 - 14 | Newcastle Knights Newcastle Kni |