| 1 | 156 | M Klinger & HJH Marshall | Gloucestershire v Somerset | 2015 | tt5013 |
| 2 | 186 | JL Langer & CL White | Somerset v Gloucestershire | 2006 | tt368 |
| 3 | 165 | WCF Smeed & TB Abell | Somerset v Surrey | 2022 | tt11078 |
| 4 | 144 | TB Abell & SR Dickson | Somerset v Hampshire | 2024 | tt13756 |
| 5 | 104 | PD Trego & CJ Anderson | Somerset v Surrey | 2018 | tt7120 |
| 6 | 96* | L Gregory & BGF Green | Somerset v Nottinghamshire | 2023 | tt12422 |
| 7 | 68* | JMR Taylor & BAC Howell | Gloucestershire v Somerset | 2020 | tt8982 |
| 8 | 59 | C Overton & RE van der Merwe | Somerset v Glamorgan | 2024 | tt13813 |
| 9 | 37 | AG Salter & M de Lange | Glamorgan v Somerset | 2019 | tt8083 |
| 10 | 35* | T van der Gugten & MG Hogan | Glamorgan v Somerset | 2018 | tt7129 |