| 1 runs | Middlesex v Nottinghamshire | Trent Bridge, Nottingham | a15182 |
| 1 runs | Glamorgan v Yorkshire | Penrhyn Avenue, Rhos-on-Sea, Colwyn Bay | a15265 |
| 2 runs | Surrey v Yorkshire | Headingley, Leeds | a15287 |
| 2 runs | Gloucestershire v Warwickshire | Edgbaston, Birmingham | a15289 |
| 3 runs | Worcestershire v Glamorgan | County Ground, New Road, Worcester | a15225 |
| 5 runs | Lancashire v Derbyshire | County Ground, Derby | a15165 |
| 5 runs | Gloucestershire v Essex | County Ground, Bristol | a15294 |
| 6 runs | Surrey v Kent | The AMP Oval, Kennington | a15117 |
| 7 runs | Hampshire v Durham | The Rose Bowl, Southampton | a15150 |
| 7 runs | Durham v Nottinghamshire | Trent Bridge, Nottingham | a15169 |
| 7 runs | Middlesex v Durham | Lord's Cricket Ground, St John's Wood | a15251 |
| 8 runs | Sussex v Durham | County Ground, Hove | a15216 |
| 8 runs | Surrey v Glamorgan | Sophia Gardens, Cardiff | a15307 |
| 9 runs | Derbyshire v Hampshire | County Ground, Derby | a15331 |