Raith Rovers and Inverness CT secured progression to the KDM Evolution Trophy semi-finals after closely fought last-eight ties.
Rovers drew 1-1 with fellow William Hill Championship side Queen's Park in Glasgow but Josh Rae was the hero in the penalty shoot-out, saving two efforts from the hosts to ensure Dougie Imrie's team head through.
Inverness CT defeated William Hill League 1 promotion rivals Stenhousemuir 1-0 in the Highlands thanks to a goal from Alfie Bavidge.
Tuesday February 3
KDM Evolution Trophy quarter-final
Arbroath v Airdrieonians
Kick-off 7.45pm
(Postponed on Tue Jan 27)
Saturday February 7
KDM Evolution Trophy quarter-final
St Johnstone v Ayr United
Kick-off 3.00pm
(Postponed on Tue Jan 27)