| 374* | PD Atkins (169*) & DM Ward (180*) | Surrey Second XI v Marylebone Cricket Club Young Cricketers | The Foster's Oval, Kennington | 1993 |
| 250 | SS Eskinazi (149) & GFB Scott (106) | Middlesex Second XI v Unicorns | Enborne Lodge, Newbury | 2017 |
| 244* | N Shahid (163*) & JJB Lewis (85*) | Essex Second XI v Marylebone Cricket Club Young Cricketers | Dick Patmore Memorial Ground, Wickford | 1993 |
| 232 | [unknown] & [unknown] | Hampshire Second XI v Warwickshire Second XI | Finchampstead Park, Finchampstead | 1993 |
| 230 | GH Rhodes (124) & JA Haynes (131) | Worcestershire Second XI v Nottinghamshire Second XI | Chester Road North, Kidderminster | 2018 |
| 229 | SS Eskinazi (109) & NJ Dexter (147) | Middlesex Second XI v Gloucestershire Second XI | WG Grace Memorial Ground, Bristol | 2015 |
| 228 | JJ Sayers (128) & AW Gale (100) | Yorkshire Second XI v Lancashire Second XI | Trafalgar Road, Southport | 2005 |
| 225 | HZ Finch (120) & C Cachopa (147) | Sussex Second XI v Kent Second XI | Spen Cama Memorial Ground, Fulking | 2014 |
| 224 | [unknown] & [unknown] | Warwickshire Second XI v Somerset Second XI | Coppice Lane, Sutton Coldfield | 1994 |
| 224 | MC Dobson (108) & BM Shafayat (124) | Nottinghamshire Second XI v Minor Counties Under-25s | Campbell Park, Milton Keynes | 2008 |
| 219 | AM Rossington (130) & TE Scollay (87) | Middlesex Second XI v Essex Second XI | The Ford County Ground, Chelmsford | 2011 |
| 212 | JD Carr (103*) & MA Roseberry (117) | Middlesex Second XI v Surrey Second XI | Payne's Folly, Harrow | 1989 |
| 212 | [unknown] & [unknown] | Yorkshire Second XI v Nottinghamshire Second XI | Worksop College Ground, Worksop | 1994 |
| 207 | SP James (105) & DL Hemp (103*) | Glamorgan Second XI v Warwickshire Second XI | St Helen's, Swansea | 1991 |
| 206* | AB London (61*) & JA Simpson (131*) | Middlesex Second XI v Surrey Second XI | The Brit Oval, Kennington | 2009 |
| 206 | FK Cowdrey (176*) & SR Dickson (83) | Kent Second XI v Gloucestershire Second XI | Spitfire Ground, St Lawrence, Canterbury | 2015 |
| 201* | MJ Church (113*) & DA Leatherdale (103*) | Worcestershire Second XI v Gloucestershire Second XI | Recreational Trust Ground, Lydney | 1996 |
