| 333 | PD Atkins (111*) & AD Brown (210) | Surrey Second XI v Kent Second XI | The Foster's Oval, Kennington | 1992 |
| 293 | JHK Adams (130) & MJ Brown (144) | Hampshire Second XI v Kent Second XI | St Lawrence Ground, Canterbury | 2006 |
| 285 | JER Gallian (170) & SP Titchard (112) | Lancashire Second XI v Yorkshire Second XI | Park Avenue Cricket Ground, Bradford | 1994 |
| 285 | SW Billings (180*) & BW Harmison (104) | Kent Second XI v Gloucestershire Second XI | The Kent County Cricket Ground, Beckenham | 2012 |
| 282 | JHK Adams (170) & BAC Howell (103) | Hampshire Second XI v Glamorgan Second XI | The SWALEC Stadium, Cardiff | 2008 |
| 280 | JR Wileman (161) & U Afzaal (115) | Nottinghamshire Second XI v Lancashire Second XI | Trent Bridge, Nottingham | 1996 |
| 263 | CD Nash (132) & MA Thornely (160) | Sussex Second XI v Middlesex Second XI | Uxbridge Cricket Club Ground, Uxbridge | 2009 |
| 261 | RJ Bartlett (154) & I Fletcher (99) | Somerset Second XI v Gloucestershire Second XI | Combe Park, Bath | 1990 |
| 261 | MJ Brown (137) & KJ Latouf (110) | Hampshire Second XI v Surrey Second XI | The Rose Bowl (Nursery), Southampton | 2005 |
| 250 | MN Lathwell (127) & KA Parsons (167*) | Somerset Second XI v Worcestershire Second XI | County Ground, Taunton | 1993 |
| 248 | T Banton (150) & EJ Byrom (104*) | Somerset Second XI v Middlesex Second XI | Brunton Memorial Ground, Radlett | 2019 |
| 245 | TB Huggins (133) & JK Maunders (107) | Essex Second XI v Minor Counties Under-25s | Lancot Park, Totternhoe | 2008 |
| 240 | SM Davies (142) & Atiq Chishti (86) | Worcestershire Second XI v Gloucestershire Second XI | Victoria Ground, Cheltenham | 2005 |
| 236 | BP Erasmus (116) & SW Mead (113) | Marylebone Cricket Club Young Cricketers v Sussex Second XI | Denis Compton Oval, Shenley | 2019 |
| 234 | SC Goldsmith (202*) & IGS Steer (92) | Derbyshire Second XI v Lancashire Second XI | Four Trees, Checkley | 1992 |
| 230* | AB London (111*) & NJ Dexter (107*) | Middlesex Second XI v Northamptonshire Second XI | Royal Air Force Sports Ground, Uxbridge | 2009 |
| 221 | LM Reece (126) & H Hameed (112) | Lancashire Second XI v Glamorgan Second XI | The SWALEC Stadium, Cardiff | 2014 |
| 219 | WAR Fraine (92) & HC Brook (144) | Yorkshire Second XI v Nottinghamshire Second XI | Clifton Park, York | 2019 |
| 216 | A Hepburn (119*) & BL D'Oliveira (122) | Worcestershire Second XI v Unicorns | Chester Road North, Kidderminster | 2015 |
| 214 | PJ Wilcock (85) & ID Austin (136) | Lancashire Second XI v Northamptonshire Second XI | Bull Hey, Wigan | 1992 |
| 213 | JP Stephenson (79) & JS Laney (114) | Hampshire Second XI v Gloucestershire Second XI | The Royal and Sun Alliance County Ground, Bristol | 2001 |
| 211 | RI Newton (113) & AM Reynoldson (77) | Northamptonshire Second XI v Warwickshire Second XI | Stowe School Ground, Stowe | 2011 |
| 206* | PD Atkins (51*) & AD Brown (139*) | Surrey Second XI v Sussex Second XI | The Foster's Oval, Kennington | 1992 |
| 204 | DL Maddy (96) & BF Smith (125) | Leicestershire Second XI v Middlesex Second XI | Grace Road, Leicester | 1995 |
| 202 | MAH Hammond (190*) & JLN Garrett (35) | Gloucestershire Second XI v Marylebone Cricket Club Young Cricketers | North Parade, Bath | 2015 |
