| 188 runs | Middlesex Second XI v Northamptonshire Second XI | Lancot Park, Totternhoe | set2209 |
| 185 runs | Yorkshire Second XI v Durham Second XI | Windy Hill Lane, Marske-by-the-Sea | set2256 |
| 168 runs | Northamptonshire Second XI v Gloucestershire Second XI | The Ship Field, Alveston | set2237 |
| 168 runs | Leicestershire Second XI v Lancashire Second XI | Grace Road, Leicester | set2283 |
| 136 runs | Yorkshire Second XI v Warwickshire Second XI | Britannia Ground, Pudsey | set2223 |
| 136 runs | Somerset Second XI v Gloucestershire Second XI | Taunton Vale Sports Club Ground, Taunton | set2271 |
| 130 runs | Durham Second XI v Marylebone Cricket Club Young Cricketers | Denis Compton Oval, Shenley | set2232 |
| 128 runs | Kent Second XI v Unicorns | Marlins, Long Marston | set2217 |
| 125 runs | Lancashire Second XI v Glamorgan Second XI | The SWALEC Stadium, Cardiff | set2270 |
| 118 runs | Worcestershire Second XI v Marylebone Cricket Club Young Cricketers | St Godwalds Park, Bromsgrove | set2261 |
| 112 runs | Glamorgan Second XI v Durham Second XI | Acklam Park, Middlesbrough | set2235 |
| 102 runs | Leicestershire Second XI v Yorkshire Second XI | Shaw Lane, Barnsley | set2269 |