| 165 runs | Northamptonshire v Wiltshire | The County Ground, Swindon | a3738 |
| 156 runs | Hampshire v Glamorgan | St Helen's, Swansea | a3764 |
| 136 runs | Kent v Cheshire | St Lawrence Ground, Canterbury | a3731 |
| 132 runs | Leicestershire v Devon | Grace Road, Leicester | a3732 |
| 129 runs | Surrey v Lincolnshire | London Road, Sleaford | a3733 |
| 124 runs | Sussex v Ireland | Castle Avenue, Dublin | a3730 |
| 106 runs | Lancashire v Durham | Ropery Lane, Chester-le-Street | a3727 |
| 105 runs | Kent v Warwickshire | St Lawrence Ground, Canterbury | a3788 |