Use audio icons at top of page to choose between commentaries
Evening results: Somerset beat Glamorgan by 66 runs
Durham beat Yorkshire Vikings by 43 runs
Surrey beat Sussex Sharks by four wickets
Earlier results: Essex Eagles beat Hampshire by 54 runs
Middlesex beat Kent Spitfires by two runs
The 18 counties split into three groups, with each side playing 10 games
Click on fixture to see full scorecard
Hampshire v Essex Eagles - Essex beat Hampshire by 54 runs
Kent Spitfires v Middlesex - Middlesex beat Kent by two runs
Glamorgan v Somerset (18:30 BST)
Yorkshire Vikings v Durham (18:30 BST)