Use audio icons at top of the page to listen to BBC radio commentaries

All matches start at 18:30 BST unless stated

Middlesex v Hampshire Hawks - BBC Radio London (16:30 BST)

Glamorgan v Gloucestershire - BBC Radio Wales & BBC Radio Bristol

Leicestershire Foxes v Lancashire Lightning - BBC Radio Lancashire & BBC Radio Leicester

Northamptonshire Steelbacks v Derbyshire Falcons - BBC Radio Derby & BBC Radio Northampton

Essex Eagles v Kent Spitfires - BBC Essex & BBC Kent (19:00 BST)