Group A
Jamie Walker's penalty earned Hearts a 1-0 win over Inverness CT at Tynecastle while East Fife saw off Cowdenbeath 2-0 at Bayview.
Group B
Forfar Athletic were unable to fulfil their fixture against Dundee, who were awarded a 3-0 victory. Hibernian host Brora Rangers at Easter Road on Wednesday.
Group C
Both games are on Wednesday - Brechin City take on Dundee United at Glebe Park and Kelty Hearts welcome St Johnstone to New Central Park.
Group D
Arbroath defeated Stirling Albion 2-1 at Forthbank, helped by a superb volley from Thomas O'Brien. Montrose are up against Ross County at Links Park on Wednesday.
Group E
Kevin O'Hara's penalty earned Dunfermline Athletic a 1-0 win at Dumbarton. Falkirk were awarded a 3-0 win against Kilmarnock, who were unable to fulfil the fixture due to Coronavirus.
Group F
Annan Athletic of League 2 caused a major upset by beating Hamilton Accies 3-1 at Galabank with goals from Steven Swinglehurst, Tyler Fulton and Jack Purdue before half-time. Bruce Anderson, on loan from Aberdeen, scored twice as Ayr United won 5-2 away to Albion Rovers.
Group G
Morton and Queen of the South drew 2-2 at Cappielow, with QOS winning the penalty shoot-out 4-2 to pick up the bonus point. St Mirren face Partick Thistle on Wednesday.
Group H
Josh Mullin marked his return to Livingston by netting a double in the 5-1 victory over Edinburgh City at Ainslie Park. Airdrieonians are at home to Alloa Athletic on Wednesday.
