| 254-3 | Gloucestershire v Middlesex | Uxbridge Cricket Club Ground, Uxbridge | 2011 | tt2278 |
| 252-7 | Surrey v Middlesex | The Kia Oval, Kennington | 2023 | tt12380 |
| 242-4 | Gloucestershire v Middlesex | Brightside Ground, Bristol | 2018 | tt7109 |
| 238-3 | Glamorgan v Middlesex | Merchant Taylors' School Ground, Northwood | 2023 | tt12252 |
| 237-6 | Essex v Middlesex | Lord's Cricket Ground, St John's Wood | 2023 | tt12362 |
| 235-5 | Somerset v Middlesex | County Ground, Taunton | 2011 | tt2217 |
| 229-6 | Somerset v Middlesex | The Cooper Associates County Ground, Taunton | 2018 | tt7074 |
| 228-3 | Kent v Middlesex | Lord's Cricket Ground, St John's Wood | 2023 | tt12347 |
| 228-3 | Kent v Middlesex | Spitfire Ground, St Lawrence, Canterbury | 2023 | tt12389 |
| 226-5 | Somerset v Middlesex | The Cooper Associates County Ground, Taunton | 2019 | tt8112 |
| 225-2 | Hampshire v Middlesex | The Rose Bowl, Southampton | 2006 | tt376 |
| 225-6 | Essex v Middlesex | The Cloud County Ground, Chelmsford | 2023 | tt12404 |
| 223-7 | Surrey v Middlesex | Lord's Cricket Ground, St John's Wood | 2021 | tt9628 |
| 222-1 | Surrey v Middlesex | The Kia Oval, Kennington | 2018 | tt7092 |
| 218-7 | Surrey v Middlesex | Lord's Cricket Ground, St John's Wood | 2006 | tt366 |
| 218-5 | Surrey v Middlesex | Lord's Cricket Ground, St John's Wood | 2020 | tt8987 |
| 215-5 | Sussex v Middlesex | The 1st Central County Ground, Hove | 2018 | tt7151 |
| 215-6 | Hampshire v Middlesex | Brunton Memorial Ground, Radlett | 2021 | tt9674 |
| 214-4 | Gloucestershire v Middlesex | Old Deer Park, Richmond | 2015 | tt4960 |
| 211-4 | Essex v Middlesex | Lord's Cricket Ground, St John's Wood | 2018 | tt7143 |
| 209-5 | Kent v Middlesex | Lord's Cricket Ground, St John's Wood | 2020 | tt8897 |
| 208-4 | Kent v Middlesex | Spitfire Ground, St Lawrence, Canterbury | 2014 | tt4366 |
| 208-7 | Surrey v Middlesex | Lord's Cricket Ground, St John's Wood | 2022 | tt10940 |
| 207-9 | Somerset v Middlesex | Uxbridge Cricket Club Ground, Uxbridge | 2017 | tt6334 |
| 207-6 | Essex v Middlesex | The Cloud County Ground, Chelmsford | 2024 | tt13708 |
| 205-8 | Kent v Middlesex | The Cloud County Ground, Chelmsford | 2024 | tt13700 |
| 204-5 | Somerset v Middlesex | County Ground, Taunton | 2010 | tt1829 |
| 204-4 | Kent v Middlesex | Lord's Cricket Ground, St John's Wood | 2019 | tt8013 |
| 202-3 | Sussex v Middlesex | Lord's Cricket Ground, St John's Wood | 2013 | tt3665 |
| 200-3 | Surrey v Middlesex | Lord's Cricket Ground, St John's Wood | 2005 | tt177 |
| 199-4 | Glamorgan v Middlesex | The SWALEC Stadium, Cardiff | 2011 | tt2205 |
| 199-5 | Hampshire v Middlesex | Lord's Cricket Ground, St John's Wood | 2015 | tt4967 |
| 199-9 | Gloucestershire v Middlesex | Brunton Memorial Ground, Radlett | 2022 | tt10828 |
| 199-6 | Surrey v Middlesex | Lord's Cricket Ground, St John's Wood | 2023 | tt12197 |
| 198-2 | Hampshire v Middlesex | Merchant Taylors' School Ground, Northwood | 2014 | tt4349 |
| 196-6 | Surrey v Middlesex | Lord's Cricket Ground, St John's Wood | 2016 | tt5843 |
| 195-8 | Essex v Middlesex | Lord's Cricket Ground, St John's Wood | 2010 | tt1759 |
| 192-7 | Hampshire v Middlesex | The Rose Bowl, Southampton | 2005 | tt170 |
| 192-8 | Kent v Middlesex | Spitfire Ground, St Lawrence, Canterbury | 2022 | tt10908 |
| 191-3 | Kent v Middlesex | Lord's Cricket Ground, St John's Wood | 2009 | tt1236 |
| 191-7 | Kent v Middlesex | The Kent County Cricket Ground, Beckenham | 2018 | tt7128 |
| 190-3 | Hampshire v Middlesex | The Ageas Bowl, Southampton | 2013 | tt3769 |
| 189-8 | Hampshire v Middlesex | The Ageas Bowl, Southampton | 2017 | tt6325 |
| 188-4 | Gloucestershire v Middlesex | Uxbridge Cricket Club Ground, Uxbridge | 2010 | tt1847 |
| 187-4 | Glamorgan v Middlesex | Old Deer Park, Richmond | 2014 | tt4418 |
| 186-1 | Surrey v Middlesex | Lord's Cricket Ground, St John's Wood | 2009 | tt1217 |
| 186-6 | Essex v Middlesex | The Cloud County Ground, Chelmsford | 2022 | tt10951 |
| 185-9 | Surrey v Middlesex | Lord's Cricket Ground, St John's Wood | 2024 | tt13831 |
| 184-5 | Kent v Middlesex | The Rose Bowl, Southampton | 2008 | tt1002 |
| 184 | Hampshire v Middlesex | The Ageas Bowl, Southampton | 2018 | tt7056 |
| 184-8 | Essex v Middlesex | Lord's Cricket Ground, St John's Wood | 2021 | tt9749 |
| 183-5 | Surrey v Middlesex | Lord's Cricket Ground, St John's Wood | 2004 | tt105 |
| 183-6 | Hampshire v Middlesex | The Rose Bowl, Southampton | 2009 | tt1315 |
| 183-6 | Kent v Middlesex | St Lawrence Ground, Canterbury | 2010 | tt1747 |
| 183-3 | Somerset v Middlesex | County Ground, Taunton | 2014 | tt4472 |
| 182-5 | Kent v Middlesex | Lord's Cricket Ground, St John's Wood | 2006 | tt383 |
| 182-3 | Surrey v Middlesex | Lord's Cricket Ground, St John's Wood | 2011 | tt2319 |
| 182-5 | Gloucestershire v Middlesex | College Ground, Cheltenham | 2017 | tt6309 |
| 182-7 | Kent v Middlesex | Spitfire Ground, St Lawrence, Canterbury | 2020 | tt8997 |
| 181-6 | Hampshire v Middlesex | Uxbridge Cricket Club Ground, Uxbridge | 2009 | tt1267 |
| 181-2 | Essex v Middlesex | Lord's Cricket Ground, St John's Wood | 2014 | tt4322 |
| 181-7 | Essex v Middlesex | The Cloudfm County Ground, Chelmsford | 2018 | tt7013 |
| 181-9 | Gloucestershire v Middlesex | Merchant Taylors' School Ground, Northwood | 2023 | tt12231 |
| 181-8 | Sussex v Middlesex | Lord's Cricket Ground, St John's Wood | 2023 | tt12311 |
| 180-7 | Surrey v Middlesex | The Brit Oval, Kennington | 2005 | tt198 |
| 180 | Somerset v Middlesex | Old Deer Park, Richmond | 2019 | tt8027 |
| 179-3 | Gloucestershire v Middlesex | County Ground, Bristol | 2015 | tt4894 |
| 179-9 | Sussex v Middlesex | The Brighton and Hove Jobs County Ground, Hove | 2015 | tt4935 |
| 179-8 | Gloucestershire v Middlesex | The Cloud County Ground, Chelmsford | 2024 | tt13976 |
| 178-4 | Hampshire v Middlesex | Old Deer Park, Richmond | 2005 | tt230 |
| 178-5 | Kent v Middlesex | The Kent County Cricket Ground, Beckenham | 2006 | tt397 |
| 178-7 | Essex v Middlesex | The Ford County Ground, Chelmsford | 2006 | tt404 |
| 178-7 | Surrey v Middlesex | Lord's Cricket Ground, St John's Wood | 2013 | tt3749 |
| 178-6 | Somerset v Middlesex | Lord's Cricket Ground, St John's Wood | 2018 | tt7051 |
| 178-8 | Kent v Middlesex | Spitfire Ground, St Lawrence, Canterbury | 2021 | tt9640 |
| 177-9 | Sussex v Middlesex | County Ground, Hove | 2003 | tt17 |
| 177-1 | Somerset v Middlesex | Uxbridge Cricket Club Ground, Uxbridge | 2015 | tt4994 |
| 177-7 | Glamorgan v Middlesex | Lord's Cricket Ground, St John's Wood | 2024 | tt13725 |
| 175-5 | Essex v Middlesex | County Ground, Chelmsford | 2003 | tt37 |
| 175-5 | Surrey v Middlesex | The Kia Oval, Kennington | 2021 | tt9760 |
| 173-4 | Stanford Super Stars v Middlesex | Stanford Cricket Ground, Coolidge | 2008/09 | tt1044 |
| 173-7 | Surrey v Middlesex | The Kia Oval, Kennington | 2016 | tt5764 |
| 173-8 | Kent v Middlesex | Spitfire Ground, St Lawrence, Canterbury | 2024 | tt13753 |
| 172-3 | Hampshire v Middlesex | The Ageas Bowl, Southampton | 2015 | tt4939 |
| 172-9 | Essex v Middlesex | The Cloudfm County Ground, Chelmsford | 2017 | tt6406 |
| 172-9 | Surrey v Middlesex | The Kia Oval, Kennington | 2019 | tt7984 |
| 172-2 | Sussex v Middlesex | Uxbridge Cricket Club Ground, Uxbridge | 2019 | tt8082 |
| 172-2 | Glamorgan v Middlesex | Sophia Gardens, Cardiff | 2022 | tt11012 |
| 172-2 | Hampshire v Middlesex | The Ageas Bowl, Southampton | 2023 | tt12200 |
| 171-8 | Gloucestershire v Middlesex | College Ground, Cheltenham | 2021 | tt9811 |
| 170-7 | Hampshire v Middlesex | The Rose Bowl, Southampton | 2004 | tt94 |
| 170-8 | Essex v Middlesex | Lord's Cricket Ground, St John's Wood | 2013 | tt3671 |
| 170-7 | Kent v Middlesex | Spitfire Ground, St Lawrence, Canterbury | 2016 | tt5777 |
| 170-8 | Glamorgan v Middlesex | Brunton Memorial Ground, Radlett | 2021 | tt9778 |
| 169-5 | Kent v Middlesex | The Kent County Cricket Ground, Beckenham | 2005 | tt186 |
| 169-5 | Glamorgan v Middlesex | The SSE SWALEC Stadium, Cardiff | 2015 | tt4941 |
| 168-4 | Surrey v Middlesex | The Brit Oval, Kennington | 2007 | tt648 |
| 168 | Sussex v Middlesex | Lord's Cricket Ground, St John's Wood | 2018 | tt7085 |
| 168-8 | Gloucestershire v Middlesex | Brunton Memorial Ground, Radlett | 2019 | tt8050 |
| 168-7 | Sussex v Middlesex | Lord's Cricket Ground, St John's Wood | 2020 | tt8918 |
| 168 | Glamorgan v Middlesex | Brunton Memorial Ground, Radlett | 2022 | tt10861 |
| 167-3 | Glamorgan v Middlesex | The SWALEC Stadium, Cardiff | 2010 | tt1804 |
| 166-5 | Somerset v Middlesex | The Cooper Associates County Ground, Taunton | 2017 | tt6352 |
| 165-8 | Kent v Middlesex | Uxbridge Cricket Club Ground, Uxbridge | 2008 | tt976 |
| 165-4 | Hampshire v Middlesex | Uxbridge Cricket Club Ground, Uxbridge | 2010 | tt1843 |
| 165-8 | Sussex v Middlesex | Lord's Cricket Ground, St John's Wood | 2011 | tt2245 |
| 165-4 | Gloucestershire v Middlesex | County Ground, Bristol | 2011 | tt2336 |
| 165-4 | Gloucestershire v Middlesex | Uxbridge Cricket Club Ground, Uxbridge | 2018 | tt7030 |
| 165-0 | Nottinghamshire v Middlesex | Trent Bridge, Nottingham | 2019 | tt8124 |
| 164-8 | Lancashire v Middlesex | The Brit Oval, Kennington | 2008 | tt997 |
| 164-3 | Hampshire v Middlesex | Old Deer Park, Richmond | 2013 | tt3713 |
| 164-6 | Essex v Middlesex | Lord's Cricket Ground, St John's Wood | 2019 | tt7968 |
| 164-5 | Gloucestershire v Middlesex | Seat Unique Stadium, Bristol | 2022 | tt11073 |
| 164-6 | Hampshire v Middlesex | Brunton Memorial Ground, Radlett | 2023 | tt12297 |
| 163-8 | Sussex v Middlesex | The PROBIZ County Ground, Hove | 2011 | tt2231 |
| 163-5 | Surrey v Middlesex | The Kia Oval, Kennington | 2011 | tt2258 |
| 163-6 | Gloucestershire v Middlesex | Merchant Taylors' School Ground, Northwood | 2016 | tt5737 |
| 163-8 | Kent v Middlesex | Old Deer Park, Richmond | 2017 | tt6341 |
| 162-5 | Rajasthan Royals v Middlesex | Lord's Cricket Ground, St John's Wood | 2009 | tt1343 |
| 162-6 | Essex v Middlesex | The Ford County Ground, Chelmsford | 2010 | tt1869 |
| 162-6 | Gloucestershire v Middlesex | Brightside Ground, Bristol | 2016 | tt5861 |
| 161-8 | Kent v Middlesex | Old Deer Park, Richmond | 2003 | tt22 |
| 161-4 | Sussex v Middlesex | The PROBIZ County Ground, Hove | 2012 | tt2996 |
| 161-6 | Essex v Middlesex | Lord's Cricket Ground, St John's Wood | 2022 | tt11018 |
| 161-8 | Somerset v Middlesex | Lord's Cricket Ground, St John's Wood | 2022 | tt11055 |
| 161-1 | Sussex v Middlesex | The 1st Central County Ground, Hove | 2024 | tt13987 |
| 160-5 | Surrey v Middlesex | The Brit Oval, Kennington | 2009 | tt1333 |
| 160-6 | Hampshire v Middlesex | Old Deer Park, Richmond | 2012 | tt3013 |
| 160-9 | Essex v Middlesex | The Cloudfm County Ground, Chelmsford | 2021 | tt9836 |
| 159-6 | Leicestershire v Middlesex | Grace Road, Leicester | 2005 | tt236 |
| 159-7 | Kent v Middlesex | St Lawrence Ground, Canterbury | 2012 | tt3008 |
| 158-6 | Surrey v Middlesex | The AMP Oval, Kennington | 2003 | tt4 |
| 158-5 | Somerset v Middlesex | Lord's Cricket Ground, St John's Wood | 2010 | tt1740 |
| 158-9 | Surrey v Middlesex | Lord's Cricket Ground, St John's Wood | 2017 | tt6324 |
| 158-6 | Surrey v Middlesex | Lord's Cricket Ground, St John's Wood | 2018 | tt7008 |
| 158-7 | Sussex v Middlesex | The 1st Central County Ground, Hove | 2020 | tt9008 |
| 158-3 | Surrey v Middlesex | The Kia Oval, Kennington | 2022 | tt10997 |
| 157-3 | Kent v Middlesex | Mote Park, Maidstone | 2004 | tt68 |
| 157-8 | Hampshire v Middlesex | The Rose Bowl, Southampton | 2008 | tt911 |
| 157-6 | Hampshire v Middlesex | The Ageas Bowl, Southampton | 2012 | tt2979 |
| 157-8 | Essex v Middlesex | The Essex County Ground, Chelmsford | 2014 | tt4391 |
| 157-5 | Gloucestershire v Middlesex | Brunton Memorial Ground, Radlett | 2021 | tt9698 |
| 157-8 | Kent v Middlesex | Lord's Cricket Ground, St John's Wood | 2021 | tt9830 |
| 156-8 | Essex v Middlesex | The Essex County Ground, Chelmsford | 2016 | tt5751 |
| 156-7 | Surrey v Middlesex | The Kia Oval, Kennington | 2017 | tt6348 |
| 156-8 | Essex v Middlesex | Lord's Cricket Ground, St John's Wood | 2020 | tt8931 |
| 155-5 | Essex v Middlesex | Lord's Cricket Ground, St John's Wood | 2011 | tt2223 |
| 155-6 | Essex v Middlesex | Lord's Cricket Ground, St John's Wood | 2012 | tt2987 |
| 155-2 | Hampshire v Middlesex | The Ageas Bowl, Southampton | 2019 | tt8100 |
| 154-7 | Essex v Middlesex | John Walker's Ground, Southgate | 2005 | tt211 |
| 154-4 | Surrey v Middlesex | The Kia Oval, Kennington | 2012 | tt3039 |
| 153-6 | Gloucestershire v Middlesex | County Ground, Bristol | 2010 | tt1806 |
| 153-8 | Hampshire v Middlesex | The Ageas Bowl, Southampton | 2022 | tt10837 |
| 152-4 | Somerset v Middlesex | The Kia Oval, Kennington | 2014 | tt4387 |
| 152 | Somerset v Middlesex | The Cooper Associates County Ground, Taunton | 2021 | tt9803 |
| 152 | Gloucestershire v Middlesex | College Ground, Cheltenham | 2024 | tt13929 |
| 151-7 | Sussex v Middlesex | County Ground, Hove | 2008 | tt984 |
| 151-2 | Essex v Middlesex | The Ford County Ground, Chelmsford | 2009 | tt1308 |
| 151-6 | Essex v Middlesex | The Essex County Ground, Chelmsford | 2015 | tt5080 |
| 151-8 | Gloucestershire v Middlesex | College Ground, Cheltenham | 2019 | tt7989 |
| 151 | Glamorgan v Middlesex | Sophia Gardens, Cardiff | 2023 | tt12412 |
| 150-9 | Glamorgan v Middlesex | Sophia Gardens, Cardiff | 2021 | tt9701 |
