Andrew Macleod & John Cook (Rowallan Castle) secured the final spot in the last four with a 3 & 2 home win over Graeme Logan & Derek Patterson (Ayr Belleisle) in their quarter final tie.
The full semi final line up is:-
Derek Bryson & Robert Bryson (New Cumnock)
Andrew Macleod & John Cook (Rowallan Castle)
James Anderson & Paul Church (Skelmorlie)
David McCulloch & George McCulloch (Brunston Castle)
Both Semi Final matches are due to be completed by 23rd August.