| 1 runs | Durham v Yorkshire | Emirates Riverside, Chester-le-Street | tt6385 |
| 1 runs | Glamorgan v Somerset | The Cooper Associates County Ground, Taunton | tt6421 |
| 2 runs | Surrey v Essex | The Cloudfm County Ground, Chelmsford | tt6307 |
| 2 runs | Northamptonshire v Leicestershire | Fischer County Ground, Grace Road, Leicester | tt6344 |
| 2 runs | Warwickshire v Northamptonshire | County Ground, Northampton | tt6377 |
| 2 runs | Middlesex v Sussex | Lord's Cricket Ground, St John's Wood | tt6403 |
| 2 runs | Leicestershire v Nottinghamshire | Trent Bridge, Nottingham | tt6441 |
| 3 runs | Derbyshire v Yorkshire | Queen's Park, Chesterfield | tt6313 |
| 4 runs | Surrey v Somerset | The Kia Oval, Kennington | tt6318 |
| 4 runs | Lancashire v Leicestershire | Fischer County Ground, Grace Road, Leicester | tt6389 |
| 5 runs | Nottinghamshire v Derbyshire | Trent Bridge, Nottingham | tt6347 |
| 5 runs | Kent v Hampshire | The Ageas Bowl, Southampton | tt6376 |
| 5 runs | Gloucestershire v Glamorgan | The SSE SWALEC Stadium, Cardiff | tt6379 |
| 5 runs | Worcestershire v Warwickshire | Edgbaston, Birmingham | tt6391 |
| 6 runs | Glamorgan v Surrey | The Kia Oval, Kennington | tt6390 |
| 8 runs | Gloucestershire v Kent | Spitfire Ground, St Lawrence, Canterbury | tt6336 |
| 8 runs | Nottinghamshire v Derbyshire | The 3aaa County Ground, Derby | tt6384 |
| 9 runs | Leicestershire v Warwickshire | Edgbaston, Birmingham | tt6335 |
| 9 runs | Essex v Middlesex | The Cloudfm County Ground, Chelmsford | tt6406 |
| 10 runs | Surrey v Essex | The Kia Oval, Kennington | tt6337 |
| 10 runs | Surrey v Kent | Spitfire Ground, St Lawrence, Canterbury | tt6438 |
