Stokes Valley men and Johnsonville women finished top after round-robin play was completed in Wellington interclub bowls on Saturday.
Stokes Valley men beat Upper Hutt 17-7 in the ninth and final round to retain the top spot and they head into next Saturday's top four playoffs where they are joined by Johnsonville, Wilton and Victoria.
The feature match of the ninth round was between hosts Wilton and Johnsonville and it could not have been closer.
The pairs and fours games both ended in draws but the outcome was decided in the singles where Ben King defeated Rob Ashton 25-24.
Wilton ran out the winners 15-9 and the result left both teams second on 127 points for the season, eight behind Stokes Valley.
Victoria claimed the other top-four berth when they defeated Lyall Bay 21-0.
In the other games Eastbourne beat Hutt 21-0 and Naenae beat Island Bay 14-8, leaving Island Bay to join Hutt in the promotion relegation matches later in the season.
There was an upset in the final round of the women's competition when Massey Avenue beat runaway leaders Johnsonville 15-8. Second placed Victoria also lost, defeated 14-7 by Titahi Bay.
In the other matches Petone Central defeated Hutt 15-8, Silverstream beat The Park 14-8 and Stokes Valley beat Island Bay 15-7.
Joining Johnsonville in the top four are Victoria, Stokes Valley and Island Bay.
- The Dominion Post
Who will win the 2015 Rugby World Cup?