Williamstown has overcome a slow start to beat Box Hill in a high-scoring practice game at the Whitten Oval last Saturday.
Box Hill jumped out of the blocks scoring eight goals to three in the first-term.
Their massive lead was soon squashed as the Seagulls bounced back with an impressive seven goal to two burst.
Buoyed by confidence, the Seagulls powered away with a mighty 13 goals to six second half to seal the result.
Williamstown: 3.2.21 ~ 10.5.65 ~ 16.10.106 ~ 23.15.153
Box Hill: 8.3.51 ~ 10.9.69 ~ 12.11.83 ~ 16.15.111
Goalkicker: Little, Picken, Oâ€™Keefe, Welsh 3, Skipper, Gotch, Reid, Harbrow 2, Johnson, Grant, Wight.