| 184 runs | Essex v Nottinghamshire | Trent Bridge, Nottingham | a15911 |
| 174 runs | Middlesex v Wales Minor Counties | Lamphey Cricket Club Ground, Lamphey | a15878 |
| 163 runs | Northamptonshire v Cambridgeshire | County Ground, Northampton | a15875 |
| 132 runs | Yorkshire v Devon | The Maer Ground, Exmouth | a15906 |
| 126 runs | Herefordshire v Oxfordshire | White Post Road, Bodicote | a15283 |
| 110 runs | Glamorgan v Lincolnshire | Lindum Sports Club Ground, Lincoln | a15874 |
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