| 218 | JB Cracknell (124) & NS Fernandes (98*) | Middlesex Second XI v Surrey Second XI | Old Deer Park, Richmond | 2025 |
| 186 | HD Ward (110) & ZB Lion-Cachet (122*) | Sussex Second XI v Middlesex Second XI | Uxbridge Cricket Club Ground, Uxbridge | 2025 |
| 185* | WEL Buttleman (109*) & FIN Khushi (74*) | Essex Second XI v Middlesex Second XI | Garon Park, Southend-on-Sea | 2022 |
| 185* | WAR Fraine (107*) & JH Wharton (68*) | Yorkshire Second XI v Nottinghamshire Second XI | Worksop College Ground, Worksop | 2023 |
| 177 | PR Stirling (116) & DJ Malan (65) | Middlesex Second XI v Hampshire Second XI | The Ageas Bowl (Nursery), Southampton | 2015 |
| 173* | MK O'Riordan (85*) & TS Muyeye (84*) | Kent Second XI v Hampshire Second XI | The Kent County Cricket Ground, Beckenham | 2022 |
| 160 | CD Nash (87*) & LJ Wright (109) | Sussex Second XI v Hampshire Second XI | The Brighton and Hove Jobs County Ground, Hove | 2015 |
| 153 | GP Smith (87) & AK Dal (80) | Nottinghamshire Second XI v Northamptonshire Second XI | County Ground, Northampton | 2015 |
| 148 | AM Rossington (107) & DJ Malan (40) | Middlesex Second XI v Unicorns A | Uxbridge Cricket Club Ground, Uxbridge | 2013 |
| 148 | AGH Orr (88) & DK Ibrahim (80) | Sussex Second XI v Essex Second XI | Garon Park, Southend-on-Sea | 2022 |
| 145* | JS Rymell (54*) & FIN Khushi (86*) | Essex Second XI v Surrey Second XI | Garon Park, Southend-on-Sea | 2022 |
| 139 | PR Stirling (71) & JG Bethell (69) | Warwickshire Second XI v Northamptonshire Second XI | Edgbaston Foundation Community Sports Ground, Birmingham | 2022 |
| 139 | RM Yates (102) & DP Sibley (33) | Warwickshire Second XI v Northamptonshire Second XI | Edgbaston Foundation Community Sports Ground, Birmingham | 2022 |
| 139 | BBA Geddes (54) & RS Patel (87) | Surrey Second XI v Middlesex Second XI | London School of Economics Sports Ground, New Malden | 2024 |
| 139 | BBA Geddes (64) & RS Patel (88) | Surrey Second XI v Essex Second XI | London School of Economics Sports Ground, New Malden | 2024 |
| 137 | K Ali (110) & MJ Wiley (32) | Leicestershire Second XI v Unicorns A | Grace Road, Leicester | 2012 |
| 137 | V Chopra (73*) & AJA Wheater (83) | Essex Second XI v Unicorns | Ledwell Road, Great Tew | 2017 |
| 137* | GT Hankins (77*) & MC Ayres (52*) | Gloucestershire Second XI v Kent Second XI | Polo Farm Sports Club, Canterbury | 2019 |
| 135 | AP Rouse (53) & SW Billings (84) | Kent Second XI v Unicorns | Anglo-American Playing Fields, Saffron Walden | 2017 |
| 134* | EJ Pollock (70*) & BL D'Oliveira (59*) | Worcestershire Second XI v Somerset Second XI | County Ground, New Road, Worcester | 2022 |
| 132 | ME Trescothick (54*) & C Kieswetter (78) | Somerset Second XI v Warwickshire Second XI | County Ground, Taunton | 2014 |
| 132 | S Kelsall (84*) & ER Kilbee (55) | Unicorns v Essex Second XI | Ledwell Road, Great Tew | 2017 |
| 131 | MDT Roberts (70) & SP Terry (60*) | Hampshire Second XI v Sussex Second XI | The Ageas Bowl, Southampton | 2013 |
| 130 | SR Dickson (68) & Z Crawley (52*) | Kent Second XI v Unicorns | Anglo-American Playing Fields, Saffron Walden | 2017 |
| 129* | SA Northeast (61*) & SW Billings (68*) | Kent Second XI v Marylebone Cricket Club Young Cricketers | St Lawrence Ground, Canterbury | 2012 |
| 127 | PD Salt (58) & TM Head (66*) | Sussex Second XI v Yorkshire Second XI | Arundel Castle Cricket Club Ground, Arundel | 2021 |
| 126 | WG Jacks (68) & BBA Geddes (65*) | Surrey Second XI v Essex Second XI | London School of Economics Sports Ground, New Malden | 2021 |
| 126 | RS Vasconcelos (47) & CA Lynn (93) | Northamptonshire Second XI v Worcestershire Second XI | Chester Road North, Kidderminster | 2023 |
| 125 | EA Brookes (61) & JG Bethell (74) | Warwickshire Second XI v Glamorgan Second XI | Edgbaston Foundation Community Sports Ground, Birmingham | 2022 |
| 123 | AM Ali (61) & JD Marshall (65) | Leicestershire Second XI v Worcestershire Second XI | Chester Road North, Kidderminster | 2015 |
| 122 | MAH Hammond (43) & CDJ Dent (93) | Gloucestershire Second XI v Northamptonshire Second XI | County Ground, Bristol | 2021 |
| 122 | TC Lace (71) & GFB Scott (36) | Gloucestershire Second XI v Warwickshire Second XI | The Common, Rockhampton | 2021 |
| 119 | AST West (112*) & T Maxfield (52) | Unicorns v Middlesex Second XI | Anglo-American Playing Fields, Saffron Walden | 2014 |
| 117 | KR Brown (58) & EB Fluck (52) | Lancashire Second XI v Warwickshire Second XI | The Tyldesleys, Westhoughton | 2018 |
| 117 | BBA Geddes (83) & MD Stoneman (54) | Surrey Second XI v Hampshire Second XI | The Kia Oval, Kennington | 2021 |
| 117 | MK O'Riordan (56) & DJ Bell-Drummond (58) | Kent Second XI v Essex Second XI | Polo Farm Sports Club, Canterbury | 2023 |
| 117 | RM Yates (101) & VL Jani (34) | Warwickshire Second XI v Somerset Second XI | Edgbaston Foundation Community Sports Ground, Birmingham | 2025 |
| 116 | A Kapil (82) & BT Foakes (55) | Surrey Second XI v Marylebone Cricket Club Young Cricketers | The Ridge, Purley | 2015 |
| 116 | WG Jacks (77) & NR Welch (70*) | Surrey Second XI v Glamorgan Second XI | London School of Economics Sports Ground, New Malden | 2018 |
| 116 | RE Levi (98) & BJ Curran (36) | Northamptonshire Second XI v Gloucestershire Second XI | County Ground, Bristol | 2021 |
| 116 | RP Jones (74) & MJ Waite (46*) | Worcestershire Second XI v Glamorgan Second XI | Visit Worcestershire New Road, Worcester | 2024 |
| 115 | RI Newton (88) & AM Reynoldson (39) | Northamptonshire Second XI v Essex Second XI | The Ford County Ground, Chelmsford | 2011 |
| 115 | AM Rossington (63) & DJ Malan (66) | Middlesex Second XI v Essex Second XI | Garon Park, Southend-on-Sea | 2013 |
| 115 | TE Albert (63) & TJ Prest (51) | Hampshire Second XI v Essex Second XI | The Ageas Bowl, Southampton | 2022 |
| 114 | MD Stoneman (76) & KJ Coetzer (41) | Durham Second XI v Yorkshire Second XI | Emirates Durham International Cricket Ground, Chester-le-Street | 2011 |
| 113 | GW Thomas (116*) & JF Thomas (52) | Somerset Second XI v Warwickshire Second XI | Edgbaston Foundation Community Sports Ground, Birmingham | 2023 |
| 112 | G Clark (57*) & AJ Hickey (64) | Durham Second XI v Leicestershire Second XI | Brandon Lane, Brandon | 2015 |
| 112 | S Kelsall (30) & Waqas Hussain (89) | Unicorns v Lancashire Second XI | Tunstall Road, Knypersley | 2016 |
| 111 | JE Ord (78*) & BL Wadlan (56) | Unicorns A v Leicestershire Second XI | Grace Road, Leicester | 2012 |
| 111 | NLJ Browne (51) & JC Mickleburgh (67) | Essex Second XI v Leicestershire Second XI | Leicester Road, Hinckley | 2013 |
| 111 | CR Brown (70) & AHT Donald (68) | Glamorgan Second XI v Middlesex Second XI | Spytty Park, Newport | 2018 |
| 111 | WCF Smeed (76) & KL Aldridge (51*) | Somerset Second XI v Glamorgan Second XI | Sophia Gardens, Cardiff | 2022 |
| 111 | MD Wagstaff (53) & LM Reece (61) | Derbyshire Second XI v Nottinghamshire Second XI | Worksop College Ground, Worksop | 2024 |
| 110 | GP Smith (101) & NP Hawkes (24) | Leicestershire Second XI v Northamptonshire Second XI | County Ground, Northampton | 2012 |
| 110 | LWP Wells (32) & MW Machan (70) | Sussex Second XI v Essex Second XI | Arundel Castle Cricket Club Ground, Arundel | 2012 |
| 110* | V Chopra (72*) & WTS Porterfield (31*) | Warwickshire Second XI v Gloucestershire Second XI | College Ground, Cheltenham | 2014 |
| 110 | Waqas Hussain (69) & ER Kilbee (44) | Unicorns v Surrey Second XI | London School of Economics Sports Ground, New Malden | 2017 |
| 109 | PD Salt (54) & LJ Wright (86) | Sussex Second XI v Kent Second XI | The Kent County Cricket Ground, Beckenham | 2018 |
| 108 | JLB Davies (60) & MK Andersson (68) | Middlesex Second XI v Surrey Second XI | London School of Economics Sports Ground, New Malden | 2019 |
| 108 | HRC Came (66) & TA Wood (37) | Derbyshire Second XI v Nottinghamshire Second XI | Worksop College Ground, Worksop | 2021 |
| 107 | AP Agathangelou (66) & AL Davies (51) | Lancashire Second XI v Nottinghamshire Second XI | Brook Lane, Ormskirk | 2014 |
| 107 | SA Northeast (50) & JHK Adams (100*) | Hampshire Second XI v Unicorns | Newclose County Cricket Ground, Newport | 2018 |
| 107 | TC Fell (38) & TR Cornall (67) | Worcestershire Second XI v Gloucestershire Second XI | College Ground, Cheltenham | 2022 |
| 106* | KR Brown (40*) & LS Livingstone (60*) | Lancashire Second XI v Derbyshire Second XI | Parkgate, Neston | 2015 |
| 106 | BG Compton (47) & SWC Smith (56) | Kent Second XI v Hampshire Second XI | Three Hills Sports Park, Folkestone | 2019 |
| 106 | MAH Hammond (39) & JR Bracey (69) | Gloucestershire Second XI v Glamorgan Second XI | Seat Unique Stadium, Bristol | 2022 |
| 106 | HRC Came (62) & MD Wagstaff (44) | Derbyshire Second XI v Leicestershire Second XI | Kibworth Cricket Club New Ground, Kibworth | 2024 |
| 105 | SP Terry (91*) & OM Ali (46) | Marylebone Cricket Club Young Cricketers v Hampshire Second XI | The Rose Bowl (Nursery), Southampton | 2011 |
| 105 | T Kohler-Cadmore (75) & AZ Lees (60) | Yorkshire Second XI v Northamptonshire Second XI | Dolben Cricket Ground, Finedon | 2018 |
| 105 | JL Lawlor (61) & CAJ Meschede (42) | Glamorgan Second XI v Sussex Second XI | Cricket Field Road, Horsham | 2019 |
| 104 | RA White (54) & NJ O'Brien (40) | Northamptonshire Second XI v Unicorns A | Cricketfield Lane, Bishop's Stortford | 2012 |
| 103 | JL Denly (49) & NRT Gubbins (61*) | Middlesex Second XI v Northamptonshire Second XI | Uxbridge Cricket Club Ground, Uxbridge | 2014 |
| 103 | L Trevaskis (52) & AJ Hickey (77*) | Durham Second XI v Worcestershire Second XI | Burnopfield Cricket Club Ground, Burnopfield | 2017 |
| 103 | JM de Caires (27) & A Prasad (102) | Middlesex Second XI v Hampshire Second XI | The Ageas Bowl, Southampton | 2022 |
| 102 | AJ Hose (110*) & AA Shafique (30) | Marylebone Cricket Club Young Cricketers v Surrey Second XI | The Ridge, Purley | 2015 |
| 102* | A Hepburn (48*) & ZA Malik (52*) | Worcestershire Second XI v Marylebone Cricket Club Young Cricketers | Merchant Taylors' School Ground, Northwood | 2017 |
| 100 | MA Thornely (33) & SA Mount (75*) | Somerset Second XI v Warwickshire Second XI | Grange Road, Olton | 2011 |
| 100 | LWP Wells (43) & MW Machan (74) | Sussex Second XI v Surrey Second XI | The Kia Oval, Kennington | 2012 |
| 100 | TP Alsop (63*) & JS Gatting (54) | Hampshire Second XI v Somerset Second XI | Taunton Vale Sports Club Ground, Taunton | 2015 |
