Dundee United have pulled level on points with Hibernian after beating the Championship leaders 1-0 at Tannadice Park
Rangers will play Motherwell in the Scottish Cup fourth round while Celtic will travel to Albion Rovers.
Hibernian extended their lead at the top of the table to three points, after romping to a 4-0 win over Queen of the South.
From Merseyside to the Old Firm derby, more than 40 games are live on Sky Sports during five weeks of festive football.
FIFPro survey reveals footballers in Scotland experience violent threats from fans five times more often than the world average.
Dundee United have been drawn to face Queen of the South in an all-Championship clash in the semi-final of the Irn Bru Cup.
Dundee United have moved level on points with Hibernian after defeating Dunfermline 1-0 at Tannadice on Tuesday night.
Championship leaders Hibernian win 3-0 at Ayr United to maintain their hegemony in the standings.
Dundee made it back-to-back wins as they climbed off the base of the Scottish Premiership table, while Celtic eased to three more points.
Hibernian remain three points clear in the Scottish Championship after a 2-0 win over St Mirren, while Dundee United beat Falkirk 1-0.
Hibernian moved three points clear at the top of the Scottish Championship after coming from behind to beat Dunfermline 3-1.
Queen of the South lose top spot in Scottish Championship to Hibernian after slumping to a 5-0 home defeat to Morton.
A round-up of Saturday's Irn Bru Cup fixtures, including a shock for Hibs, and Welsh win at Forfar and an unusual hat-trick at Dunfermline
Hibernian missed the chance to move to the top of the Scottish Championship following a 1-1 draw with Dundee United.
Stoke City have confirmed the signing of teenage central defender Harry Souttar from Dundee United.
Martyn Waghorn scored a hat-trick as Rangers beat Queen of the South 5-0 in the Betfred Cup, while Morton saw off Dundee Utd 2-1.
Louis Moult scored all four goals as Motherwell beat Hamilton 4-2 in the Scottish Premiership on Saturday, as St Johnstone saw off Hearts 1-0.
Irn Bru Cup, fourth round draw
Mathias Pogba, brother of Manchester United midfielder Paul, has had his contract with Scottish Premiership side Partick Thistle cancelled.
Dundee United have signed defenders Frank van der Struijk and William Edjenguele on one-year contracts.