BALLAN, Victoria, Webbcona and Central Wendouree are the only teams left standing in the Ballarat District Bowls Division Super Dome Series.
The four sides won respective semi-final matches under the roof at Sebastopol on Thursday night.
Ballan beat Avenue, Victoria was too good for City Oval, Webbcona toppled Sebastopol Blue and Central Wendouree got home in a tie-break against Learmonth to keep their place in the competition.
As a result, Ballan and Victoria will battle out the eastern conference final next week, with Webbcona and Central Wendouree to fight out the western division decider.
The two winners of those matches are then set to meet on Thursday, June 2 in the Super Dome Series final, where the victor will be crowned the overall champion of the competition.
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