Group A
Leaders Aberdeen thumped Stirling Albion 5-0 at Forthbank, with all the goals coming in the first half. Dumbarton and Raith Rovers drew 0-0, with Rovers winning the shoot-out 3-2.
Group B
Partick Thistle stay top after a 2-0 win over Fraserburgh at Firhill while Stenhousemuir beat Montrose by the same scoreline at Links Park.
Group C
Ross County lead the way following a 2-0 victory at Alloa Athletic while East Fife fought back to beat Buckie Thistle 3-2 at Bayview.
Group D
Both games are on Wednesday - Bonnyrigg Rose Athletic are at home to Falkirk and Hibernian take on Morton at Easter Road.
Group E
Airdrieonians beat St Mirren 2-0 at the Excelsior Stadium to close the gap on leaders Arbroath. FC Edinburgh play Cowdenbeath at Meadowbank Stadium on Wednesday.
Group F
Tony Wallace scored a stoppage-time penalty as Annan Athletic drew 1-1 with Ayr United at Galabank to qualify for the last 16 as group winners. They also won the shoot-out 5-4. St Johnstone saw off Elgin City 4-2 at Borough Briggs in the other game.
Group G
Leaders Inverness CT beat Albion Rovers 4-0 in the Highland capital while Kelty Hearts were 3-2 winners away to Cove Rangers.
Group H
Dundee lead the way after a 2-1 victory over Queen's Park at Ochilview. Forfar Athletic and Stranraer drew 2-2 at Station Park, with Forfar winning 5-3 on penalties.