| 178 runs | Essex v Surrey | The Essex County Ground, Chelmsford | a22666 |
| 140 runs | Worcestershire v Warwickshire | Edgbaston, Birmingham | a22787 |
| 133 runs | Durham v Surrey | Emirates Durham International Cricket Ground, Chester-le-Street | a22801 |
| 131 runs | Somerset v Yorkshire | Headingley, Leeds | a22617 |
| 125 runs | Essex v Scotland | The Essex County Ground, Chelmsford | a22660 |
| 125 runs | Northamptonshire v Warwickshire | Edgbaston, Birmingham | a22806 |
| 115 runs | Leicestershire v Gloucestershire | Grace Road, Leicester | a22599 |
| 107 runs | Derbyshire v Durham | County Ground, Derby | a22773 |
| 107 runs | Essex v Derbyshire | Castle Park Cricket Ground, Colchester | a22798 |
| 100 runs | Surrey v Scotland | The Kia Oval, Kennington | a22738 |