A 6-0 shutout by Balmacewen men over Taieri further increased their lead in Dunedin men's club tennis on Tuesday night.
Six straight-set wins meant their unbeaten record was never threatened.
No 1 Conrad Wong continued to lead from the front with a tidy 6-2, 6-2 win over Andrew Mitchell.
Eastern Harbour took a comfortable 5-1 win over Mornington-Roslyn Raiders, who were missing their top man, Dwayne Cleugh.
Phil Mirfin was pushed at times to beat promoted Matt Foo 6-3, 6-4 and Nick Hume continued his good record to gain his team's only point in the No 4 singles.
Mornington-Roslyn Privateers fell in to beat St Clair by a set after Mike Smith aggravated an injury in the doubles and had to default his singles.
St Clair had already dropped two rubbers when an arranged replacement player failed to arrive on time.
The strange contest concluded when St Clair No 1 Jeff Elliotte beat Oliver Cuthill, leading 4-2 when Cuthill, having broken strings in all his rackets, chose not to continue with borrowed equipment because his team had enough points to take the tie.
Earlier Elliotte and Smith had beaten Cuthill and Oliver Scott 4-6, 7-6, 7-6 in a very tight doubles.
The feature of the women's ties was the return to competition of former Otago No 1 Amy Rapley for Eastern Harbour.
They beat Balmacewen 3-0, with Rapley accounting for promising junior Jessie Stevenson with her superior power.
She was joined by Olivia Bates, also making a return to beat Alice Bourne.
Georgia Hume and Lauren Fowler took St Clair to a 3-0 win over Mornington-Roslyn.
