All preliminary games were played on Monday 10th December 2018. All other teams had byes.
Sid Stickley
- West Moors A 2 v 7 West Moors X
- Green Man B 4 v 5 Owls Nest B
- Colehill SSC C 4 v 5 West Moors B
Vincent Trophy
- Stocks C 1 v 8 Wimborne RBL
- Corfe Mullen RBL A 3 v 6 Owls Nest A
- Pure Drop 3 v 6 Colehill SSC B
James Plate
- Stocks B 3 v 6 St. Ives Warriors
- Witchampton C 5 v 4 Shoulder of Mutton C
- Rising Sun Hurricanes 5 v 4 Holme Bush
Horizon Shield
- Shoulder of Mutton D 1 v 7 Green Man A (last leg not played)
- Rising Sun Zephyr 4 v 5 Cobham B
- Shoulder of Mutton B 4 v 5 Dorset Soldier
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