Three of the four Petrofac Training Cup quarter-finals take place on Saturday, with the semi-final draw at Hampden on Monday at 2.30pm.
Queen's Park boss Gus MacPherson recently guided his team to victory over Elgin City at Hampden in Ladbrokes League 2 and will be hoping to do the same against Jim Weir's men when they meet again on cup duty this weekend.
St Mirren have found life tough in the Ladbrokes Championship but won at Annan in the previous round of this competition and have home advantage against a free-scoring Dunfermline team who are second in Ladbrokes League 1.
Peterhead striker Rory McAllister made headlines with a stunning five-goal display against Falkirk in round two and the Blue Toon's reward is a Balmoor meeting with Ladbrokes League 1 rivals Stenhousemuir, who knocked out Raith Rovers.
The Ibrox tie between Rangers and Livingston - postponed this weekend due to international call-ups - has been rearranged for Tuesday October 20, live on BBC ALBA at 7.45pm.
