| 156 runs | Essex v Surrey | The Brit Oval, Kennington | a18986 |
| 118 runs | Essex v Leicestershire | Grace Road, Leicester | a19028 |
| 117 runs | Durham v Derbyshire | Riverside Ground, Chester-le-Street | a19006 |
| 106 runs | Kent v Essex | The Ford County Ground, Chelmsford | a18989 |
| 100 runs | Derbyshire v Lancashire | County Ground, Derby | a19000 |
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