Fixtures and BT Sport's live TV selections will be confirmed in due course.
Group A
Heart of Midlothian
Dundee United
East Fife
Stenhousemuir
Cowdenbeath
Group B
St Johnstone
Ross County
Forfar Athletic
Brechin City
Montrose
Group C
Hibernian
Alloa Athletic
Stirling Albion
Arbroath
Elgin City
Group D
Dundee
Inverness Caledonian Thistle
Raith Rovers
Peterhead
Cove Rangers
Group E
Motherwell
Morton
Queen of the South
Annan Athletic
Dumbarton
Group F
Hamilton Academical
Partick Thistle
Airdrieonians
Queen's Park
Clyde
Group G
Livingston
Ayr United
Stranraer
Berwick Rangers
Falkirk
Group H
St Mirren
Dunfermline Athletic
Albion Rovers
Edinburgh City
East Kilbride
Betfred Cup group stage dates (subject to TV selections)
MD1 Weekend of July 13/14, 2019
MD2 Midweek of July 16/17, 2019
MD3 Weekend of July 20/21, 2019
MD4 Midweek of July 23/24, 2019
MD5 Weekend of July 27/28, 2019
The eight group winners and four best runners-up progress to the second round on August 17/18, when they are joined by European entrants Celtic, Rangers, Kilmarnock and Aberdeen.