In the first quarter final Moorpark, who beat their hosts Caprington 2.5 - 0.5 in round two, will host Troon Portland, who won their second round match by 3 - 0 at home to Ayr Dalmilling.
The other quarter final in the top half of the draw sees Prestwick St Cuthbert hosting Redburn.
Troon St Meddans beat their visitors Ardeer by 2 - 1 in their second round tie and will now host Auchenharvie 88, who won in round two by 2.5 - 0.5 at home to Kilbirnie Place.
The other quarter final sees Prestwick St Nicholas, winners by 2.5 - 0.5 on their visit to play Tam O Shanter in round two, play host to The Chase, who progressed to the last eight courtesy of a 2 - 1 away win against Alton in the second round.
All quarter final ties are due to be completted by the 1st of August.
The full quarter final draw is:-