The Sharks will play Sutton Sting in a two legged final over the weekend of 5th and 6th April.
In the other Cup group game, Billingham Stars won 6-5 away at Manchester Minotaurs.
In the Laidler Conference, champions Solihull Barons won 11-3 away at Hull Jets to go 8 points clear at the top of the table with 2 games left to play.
Photo: Solway Sharks v Blackburn Hawks by John Milton - www.togger.co.uk
