| 221 runs | Somerset v Ireland | County Ground, Taunton | a10471 |
| 184 runs | Yorkshire v Minor Counties | Headingley, Leeds | a10507 |
| 178 runs | Leicestershire v Scotland | Grace Road, Leicester | a10448 |
| 165 runs | Surrey v Hampshire | County Ground, Southampton | a10487 |
| 155 runs | Warwickshire v Minor Counties | Edgbaston, Birmingham | a10462 |
| 141 runs | Somerset v Glamorgan | County Ground, Taunton | a10461 |
| 130 runs | Surrey v Leicestershire | The Foster's Oval, Kennington | a10558 |
| 122 runs | Gloucestershire v British Universities | The Royal and Sun Alliance County Ground, Bristol | a10445 |
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