| 227 runs | Warwickshire v Oxfordshire | Edgbaston, Birmingham | a4114 |
| 190 runs | Essex v Scotland | County Ground, Chelmsford | a4103 |
| 171 runs | Middlesex v Lancashire | Lord's Cricket Ground, St John's Wood | a4155 |
| 151 runs | Kent v Hampshire | County Ground, Southampton | a4134 |
| 145 runs | Leicestershire v Wiltshire | The County Ground, Swindon | a4115 |
| 130 runs | Northamptonshire v Worcestershire | County Ground, Northampton | a4136 |
| 120 runs | Leicestershire v Derbyshire | Grace Road, Leicester | a4135 |
| 118 runs | Hampshire v Norfolk | County Ground, Lakenham | a4108 |
| 110 runs | Warwickshire v Surrey | Edgbaston, Birmingham | a4158 |
| 103 runs | Warwickshire v Shropshire | Edgbaston, Birmingham | a4139 |