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

Glamorgan v Surrey (14:00 BST) - BBC Radio Wales

Birmingham Bears v Notts Outlaws - BBC Radio Nottingham and BBC Radio CWR

Kent Spitfires v Middlesex - BBC Radio Kent

Durham v Northamptonshire Steelbacks - BBC Radio Newcastle & BBC Radio Northampton

Worcestershire Rapids v Leicestershire Foxes - BBC Radio Hereford and Worcester & BBC Radio Leicester

All games start at 14:30 BST unless stated