PORTRUSH eased into the third round of the Senior Cup with a convincing win at City of Derry.
In the only all Provincial tie the Seasiders hit the ton at Lisnagelvin winning by 48 shots in the end.
They had three winning rinks which were skipped by Jackie Smyth, who was top scorer beating K Campbel by 25, Ian McClure beat Lorenzo Graham by 15 and Simon Colvin saw off Ken McConomy by eight.
The game between A Smyth and Gary McCloy ended all square.
Coleraine B progressed in the Junior Cup.