Taieri extended its lead at the top of the competition standings with a 37-0 win against Alhambra-Union at the North Ground today.
The Eels dominated the forward exchanges and loose forward Leroy Ferguson crossed for three tries.
At Bathgate Park, Southern scored four unanswered tries in the second half to beat Green Island 20-3.
First five Jack Leslie mastered the breeze with his kicking game to keep his forwards on the front foot.
University edged Zingari-Richmond 17-12 at the University Oval and Harbour beat Dunedin 5-0 in a low-scoring encounter at Watson Park.
The scores
Southern 20-3 Green Island Fulltime
University 17-12 Zingari Fulltime
Harbour 5-0 Dunedin Fulltime
Alhambra-Union 0-37 Taieri Fulltime
Kaikorai - Bye