| Extras |
| 24 | Kent v Middlesex | Lord's Cricket Ground, St John's Wood | 2023 |
| 20 | Surrey v Middlesex | Lord's Cricket Ground, St John's Wood | 2015 |
| 20 | Gloucestershire v Middlesex | Brightside Ground, Bristol | 2016 |
| 19 | Sussex v Middlesex | The 1st Central County Ground, Hove | 2018 |
| 18 | Surrey v Middlesex | Lord's Cricket Ground, St John's Wood | 2005 |
| 17 | Leicestershire v Middlesex | Grace Road, Leicester | 2005 |
| 17 | Surrey v Middlesex | The Kia Oval, Kennington | 2016 |
| 17 | Kent v Middlesex | Lord's Cricket Ground, St John's Wood | 2020 |
| 17 | Surrey v Middlesex | Lord's Cricket Ground, St John's Wood | 2021 |
| 17 | Essex v Middlesex | The Cloud County Ground, Chelmsford | 2023 |
| 17 | Kent v Middlesex | The Cloud County Ground, Chelmsford | 2024 |
| 16 | Hampshire v Middlesex | Old Deer Park, Richmond | 2005 |
| 16 | Surrey v Middlesex | Lord's Cricket Ground, St John's Wood | 2008 |
| 16 | Essex v Middlesex | The Ford County Ground, Chelmsford | 2010 |
| 16 | Glamorgan v Middlesex | The SSE SWALEC Stadium, Cardiff | 2015 |
| 16 | Surrey v Middlesex | Lord's Cricket Ground, St John's Wood | 2016 |
| 16 | Gloucestershire v Middlesex | Seat Unique Stadium, Bristol | 2022 |
| 15 | Surrey v Middlesex | The AMP Oval, Kennington | 2003 |
| 15 | Sussex v Middlesex | County Ground, Hove | 2003 |
| 15 | Hampshire v Middlesex | Old Deer Park, Richmond | 2008 |
| 15 | Hampshire v Middlesex | Lord's Cricket Ground, St John's Wood | 2017 |
| 15 | Essex v Middlesex | Lord's Cricket Ground, St John's Wood | 2019 |
| 15 | Kent v Middlesex | Lord's Cricket Ground, St John's Wood | 2019 |
| 15 | Somerset v Middlesex | The Cooper Associates County Ground, Taunton | 2021 |
| 15 | Surrey v Middlesex | Lord's Cricket Ground, St John's Wood | 2023 |
| 15 | Essex v Middlesex | Lord's Cricket Ground, St John's Wood | 2023 |
| 15 | Glamorgan v Middlesex | Sophia Gardens, Cardiff | 2023 |
| 15 | Sussex v Middlesex | Lord's Cricket Ground, St John's Wood | 2025 |
| 14 | Essex v Middlesex | John Walker's Ground, Southgate | 2005 |
| 14 | Surrey v Middlesex | Lord's Cricket Ground, St John's Wood | 2012 |
| 14 | Hampshire v Middlesex | Lord's Cricket Ground, St John's Wood | 2015 |
| 14 | Somerset v Middlesex | Uxbridge Cricket Club Ground, Uxbridge | 2017 |
| 14 | Somerset v Middlesex | The Cooper Associates County Ground, Taunton | 2017 |
| 14 | Hampshire v Middlesex | Lord's Cricket Ground, St John's Wood | 2020 |
