Centrals have overcome last year's grand final loss to defeat reigning premiers Pinjarra by 29-points.
It was tight and hard fought with only eleven goals scored in the Blues 8.7.55 to 3.8.26 triumph.
Halls Head caused a boil over recording their second win of the season defeating Mandurah by 36-points.
In other results, South Mandurah were to good for Waroona 27-points while Baldivis kicked six goals unanswered goals in the final quarter to run over the top of Rockingham and win by seven-points.
LADDER: Pinjarra 24, Rockingham 20 (194.44%), Baldivis 20 (153.97%), Centrals 16, Mandurah 12, Halls Head 8, South Mandurah 8, Waroona 4.