| 228 runs | Nottinghamshire v Northumberland | Osborne Avenue, Jesmond | a8686 |
| 219 runs | Somerset v Oxfordshire | The Butts Way, Kingston Blount | a8687 |
| 197 runs | Warwickshire v Bedfordshire | Edgbaston, Birmingham | a8691 |
| 160 runs | Glamorgan v Lincolnshire | St Helen's, Swansea | a8681 |
| 143 runs | Kent v Berkshire | Finchampstead Park, Finchampstead | a8676 |
| 137 runs | Worcestershire v Norfolk | County Ground, Lakenham | a8684 |
| 128 runs | Warwickshire v Leicestershire | Grace Road, Leicester | a8710 |
| 125 runs | Surrey v Lancashire | The Foster's Oval, Kennington | a8712 |