| 1 | 211 | RI Newton & AM Reynoldson | Northamptonshire Second XI v Warwickshire Second XI | Stowe School Ground, Stowe | set1982 |
| 2 | 219 | AM Rossington & TE Scollay | Middlesex Second XI v Essex Second XI | The Ford County Ground, Chelmsford | set1961 |
| 3 | 163* | BHN Howgego & DJ Willey | Northamptonshire Second XI v Unicorns A | Boughton Hall Avenue, Chester | set1978 |
| 4 | 152* | | Marylebone Cricket Club Young Cricketers v Sussex Second XI | The PROBIZ County Ground, Hove | set2025 |
| 5 | 127 | | Warwickshire Second XI v Leicestershire Second XI | Kings Heath Cricket Club Ground, Kings Heath | set1959 |
| 6 | 113 | D Murphy & DS Lucas | Northamptonshire Second XI v Yorkshire Second XI | Britannia Ground, Pudsey | set2032 |
| 7 | 130 | JAJ Crowson & SJ King | Surrey Second XI v Somerset Second XI | Taunton Vale Sports Club Ground, Taunton | set1974 |
| 8 | 60 | R Hassan & CJC Wright | Essex Second XI v Somerset Second XI | Taunton Vale Sports Club Ground, Taunton | set2028 |
| 9 | 100* | EJH Eckersley & ACF Wyatt | Leicestershire Second XI v Yorkshire Second XI | Grace Road, Leicester | set2038 |
| 10 | 39 | FOE van den Bergh & MP Dunn | Surrey Second XI v Somerset Second XI | Taunton Vale Sports Club Ground, Taunton | set1974 |