| 166 runs | Kent v Middlesex | St Lawrence Ground, Canterbury | a8094 |
| 143 runs | Warwickshire v Norfolk | County Ground, Lakenham | a8095 |
| 133 runs | Derbyshire v Devon | The Maer Ground, Exmouth | a8091 |
| 131 runs | Glamorgan v Oxfordshire | St Helen's, Swansea | a8092 |
| 121 runs | Essex v Suffolk | The Victory Ground, Bury St Edmunds | a8100 |
| 116 runs | Somerset v Shropshire | St Georges Recreation Ground, Telford | a8098 |
| 114 runs | Sussex v Wales Minor Counties | County Ground, Hove | a8102 |
| 110 runs | Gloucestershire v Hertfordshire | The Royal and Sun Alliance County Ground, Bristol | a8093 |
| 104 runs | Glamorgan v Worcestershire | St Helen's, Swansea | a8154 |
| 103 runs | Durham v Wiltshire | County Ground, Trowbridge | a8103 |