Rockingham-Mandurah remain on top of the WA Premier Cricket ladder defeating Scarborough by 56-runs.
Craig Simmons captured another six wickets finishing with figures 22.4-5-55-6.
Adam France contributed with two wickets while Leon Coombs and Aaron Burrage collected a wicket each.
The Mariners batted a second time and were 4/77 when stumps was scored.
Next week Rockingham-Mandurah are on the road the last two-day game before Christmas taking on Bayswater-Morley at Hillcrest.