Most extras in an innings For Second Eleven Twenty20
Most extras in an innings
Team | Score | Overs | Ext | b | lb | w | nb | RR | Inns | Opposition | Ground | Match Date | Scorecard |
| 135 | 18.4 | 34 | - | 9 | 19 | - | 7.23 | 1 | v Smrst 2nd XI | Taunton | 10 Jul 2018 | Other T20 | |
| 141 | 20.0 | 32 | 2 | 2 | 16 | - | 7.05 | 1 | v Hants 2nd XI | Shenley | 24 May 2016 | Other T20 | |
| 242 | 20.0 | 30 | 1 | 8 | 11 | 4 | 12.10 | 1 | v Smrst 2nd XI | Taunton | 22 Jul 2019 | Other T20 | |
| 202 | 19.4 | 29 | 8 | 1 | 16 | 4 | 10.27 | 2 | v Kent 2nd XI | Tunbridge Wells | 5 Jun 2024 | Other T20 | |
| 210 | 20.0 | 28 | - | 1 | 15 | 12 | 10.50 | 1 | v Nthants 2nd | Worksop | 5 Jul 2018 | Other T20 | |
| 234 | 20.0 | 27 | - | 2 | 17 | 8 | 11.70 | 1 | v Sussx 2nd XI | Northwood | 11 Jun 2021 | Other T20 | |
| 213 | 20.0 | 27 | 8 | 1 | 6 | 12 | 10.65 | 1 | v Leics 2nd XI | Derby | 29 May 2024 | Other T20 | |
| 184 | 17.4 | 26 | 4 | 10 | 4 | 8 | 10.41 | 2 | v Worcs 2nd XI | Taunton | 24 May 2024 | Other T20 | |
| 163 | 20.0 | 26 | - | 9 | 7 | 10 | 8.15 | 2 | v Yorks 2nd XI | Glossop | 24 Jul 2019 | Other T20 | |
| 199 | 20.0 | 26 | 5 | 2 | 11 | 8 | 9.95 | 2 | v Essex 2nd XI | New Malden | 17 May 2023 | Other T20 | |
| 215 | 20.0 | 25 | 12 | - | 13 | - | 10.75 | 1 | v Notts 2nd XI | Barnt Green | 23 Jul 2018 | Other T20 | |
| 140 | 20.0 | 25 | - | 12 | 9 | 4 | 7.00 | 1 | v Smrst 2nd XI | Taunton | 5 Jun 2024 | Other T20 | |
| 99 | 14.2 | 24 | 1 | 5 | 16 | 2 | 6.90 | 1 | v Leics 2nd XI | Kibworth | 1 Jul 2025 | Other T20 | |
| 118 | 19.0 | 24 | 1 | 5 | 18 | - | 6.21 | 1 | v Lancs 2nd XI | Doncaster | 23 May 2022 | Other T20 | |
| 158 | 19.4 | 24 | - | 4 | 20 | - | 8.03 | 2 | v Smrst 2nd XI | Taunton | 19 May 2022 | Other T20 | |
| 157 | 20.0 | 24 | 1 | 2 | 9 | 6 | 7.85 | 1 | v Durham 2nd | Birmingham | 16 May 2016 | Other T20 | |
| 125 | 20.0 | 24 | 13 | 2 | 7 | 2 | 6.25 | 1 | v Notts 2nd XI | Worksop | 5 Jul 2018 | Other T20 | |
| 187 | 20.0 | 24 | 6 | 3 | 13 | 2 | 9.35 | 2 | v Derby 2nd XI | Wormsley | 15 Jun 2023 | Other T20 | |
| 223 | 20.0 | 24 | 9 | 4 | 9 | 2 | 11.15 | 1 | v Leics 2nd XI | Kibworth | 20 May 2024 | Other T20 | |
| 210 | 18.3 | 23 | 8 | 2 | 13 | - | 11.35 | 2 | v Smrst 2nd XI | Southampton | 16 Jul 2018 | Other T20 | |
| 166 | 20.0 | 23 | 2 | 2 | 11 | 8 | 8.30 | 1 | v MCC YC | Shenley | 24 May 2016 | Other T20 | |
| 128 | 20.0 | 23 | 4 | 6 | 9 | 4 | 6.40 | 1 | v Middx 2nd XI | Southampton | 27 Jul 2017 | Other T20 | |
| 146 | 20.0 | 23 | 3 | 7 | 9 | 4 | 7.30 | 1 | v Middx 2nd XI | Richmond | 28 Jun 2018 | Other T20 | |
| 185 | 20.0 | 23 | - | 10 | 13 | - | 9.25 | 2 | v Leics 2nd XI | Barnt Green | 17 Jun 2019 | Other T20 | |
| 182 | 20.0 | 23 | 2 | 1 | 18 | 2 | 9.10 | 2 | v Glouc 2nd XI | Northampton | 17 May 2022 | Other T20 | |
| 179 | 20.0 | 23 | - | 4 | 13 | 6 | 8.95 | 1 | v Smrst 2nd XI | Taunton | 24 May 2024 | Other T20 | |
| 113 | 12.0 | 22 | - | 5 | 17 | - | 9.41 | 1 | v Glouc 2nd XI | Bristol | 18 May 2016 | Other T20 | |
| 128 | 18.4 | 22 | 14 | 7 | 1 | - | 6.85 | 2 | v Surr 2nd XI | Neath | 18 Jun 2017 | Other T20 | |
| 165 | 19.4 | 22 | 5 | 2 | 5 | 10 | 8.38 | 1 | v Surr 2nd XI | New Malden | 3 Jul 2024 | Other T20 | |
| 151 | 20.0 | 22 | 6 | 5 | 11 | - | 7.55 | 1 | v Warwcks 2nd | Arundel | 14 Jul 2016 | Other T20 | |
| 184 | 20.0 | 22 | 4 | 1 | 15 | 2 | 9.20 | 1 | v Glouc 2nd XI | Taunton | 3 Jul 2017 | Other T20 | |
| 184 | 20.0 | 22 | - | 8 | 14 | - | 9.20 | 1 | v Durham 2nd | Northwood | 31 Jul 2017 | Other T20 | |
| 180 | 20.0 | 22 | - | 10 | 2 | 4 | 9.00 | 2 | v Kent 2nd XI | Uxbridge | 26 Jun 2018 | Other T20 | |
| 215 | 20.0 | 22 | 8 | 5 | 9 | - | 10.75 | 1 | v Unicorns | Billericay | 5 Jul 2018 | Other T20 | |
| 195 | 20.0 | 22 | 1 | 2 | 13 | 6 | 9.75 | 1 | v Kent 2nd XI | New Malden | 13 Jun 2021 | Other T20 | |
| 194 | 20.0 | 22 | 2 | 6 | 5 | 4 | 9.70 | 1 | v Hants 2nd XI | Southampton | 26 May 2022 | Other T20 | |
| 180 | 20.0 | 22 | 3 | 5 | 12 | 2 | 9.00 | 2 | v Notts 2nd XI | Worksop | 18 May 2023 | Other T20 | |
| 324 | 20.0 | 22 | 4 | 4 | 10 | 4 | 16.20 | 1 | v Middx 2nd XI | London | 23 May 2023 | Other T20 | |
| 167 | 20.0 | 22 | 5 | 3 | 12 | 2 | 8.35 | 1 | v Hants 2nd XI | New Malden | 5 Jul 2024 | Other T20 | |
| 145 | 20.0 | 22 | 4 | 2 | 14 | 2 | 7.25 | 2 | v Worcs 2nd XI | Taunton | 19 May 2025 | Other T20 | |
| 151 | 15.0 | 21 | 1 | 7 | 9 | 4 | 10.06 | 2 | v Smrst 2nd XI | Newport | 24 May 2023 | Other T20 | |
| 188 | 16.4 | 21 | 1 | 5 | 13 | 2 | 11.28 | 2 | v Essex 2nd XI | Southend-on-Sea | 11 Jun 2025 | Other T20 | |
| 125 | 17.4 | 21 | - | 7 | 12 | 2 | 7.07 | 2 | v Sussx 2nd XI | London | 4 Jun 2025 | Other T20 | |
| 181 | 18.2 | 21 | - | 7 | 12 | 2 | 9.87 | 2 | v Surr 2nd XI | East Grinstead | 3 Jul 2018 | Other T20 | |
| 174 | 19.1 | 21 | 7 | 1 | 7 | 6 | 9.07 | 2 | v Sussx 2nd XI | Hove | 3 Jun 2021 | Other T20 | |
| 152 | 20.0 | 21 | 1 | 8 | 10 | 2 | 7.60 | 1 | v Hants 2nd XI | Southampton | 26 May 2016 | Other T20 | |
| 171 | 20.0 | 21 | - | 2 | 6 | 8 | 8.55 | 1 | v Essex 2nd XI | Great Tew | 13 Jun 2017 | Other T20 | |
| 169 | 20.0 | 21 | 4 | 5 | 10 | 2 | 8.45 | 1 | v Smrst 2nd XI | Chelmsford | 24 Jul 2017 | Other T20 | |
| 180 | 20.0 | 21 | 1 | 2 | 10 | 8 | 9.00 | 1 | v Sussx 2nd XI | East Grinstead | 3 Jul 2018 | Other T20 | |
| 240 | 20.0 | 21 | - | 2 | 5 | 8 | 12.00 | 1 | v Middx 2nd XI | Radlett | 9 Jul 2018 | Other T20 | |
| 147 | 20.0 | 21 | 6 | 6 | 7 | 2 | 7.35 | 2 | v Durham 2nd | Leicester | 24 Jul 2018 | Other T20 | |
| 122 | 20.0 | 21 | 9 | 4 | 6 | 2 | 6.10 | 1 | v Glam 2nd XI | Llnadaff | 15 Jul 2019 | Other T20 | |
| 159 | 20.0 | 21 | 4 | 3 | 12 | 2 | 7.95 | 1 | v Derby 2nd XI | Shenley | 8 Aug 2019 | Other T20 | |
| 178 | 20.0 | 21 | 1 | 6 | 12 | 2 | 8.90 | 1 | v Kent 2nd XI | Canterbury | 9 Aug 2019 | Other T20 | |
| 211 | 20.0 | 21 | 4 | 4 | 11 | 2 | 10.55 | 1 | v Sussx 2nd XI | Woodman Cote | 7 Jun 2021 | Other T20 | |
| 237 | 20.0 | 21 | 4 | 3 | 10 | 4 | 11.85 | 1 | v Lancs 2nd XI | Liverpool | 10 Jun 2021 | Other T20 | |
| 154 | 20.0 | 21 | 1 | 7 | 9 | 4 | 7.70 | 2 | v Glouc 2nd XI | Rockhampton | 17 Jun 2021 | Other T20 | |
| 143 | 16.0 | 20 | - | 15 | 5 | - | 8.93 | 2 | v Kent 2nd XI | Hove | 3 Jun 2021 | Other T20 | |
| 145 | 19.0 | 20 | - | 1 | 14 | - | 7.63 | 2 | v Glam 2nd XI | Chelmsford | 11 Jun 2018 | Other T20 | |
| 154 | 19.0 | 20 | 8 | 7 | 3 | 2 | 8.10 | 2 | v Kent 2nd XI | New Malden | 30 May 2023 | Other T20 | |
| 166 | 20.0 | 20 | 5 | 2 | 1 | 12 | 8.30 | 2 | v Lancs 2nd XI | Marske-by-the-Sea | 20 Jun 2013 | Other T20 | |
| 151 | 20.0 | 20 | 8 | 6 | 6 | - | 7.55 | 1 | v Smrst 2nd XI | Southampton | 28 Apr 2016 | Other T20 | |
| 137 | 20.0 | 20 | 5 | 2 | 3 | 10 | 6.85 | 1 | v Sussx 2nd XI | Fulking | 26 Jun 2017 | Other T20 | |
| 169 | 20.0 | 20 | 8 | 4 | 6 | 2 | 8.45 | 1 | v Hants 2nd XI | Newport | 13 Jul 2017 | Other T20 | |
| 199 | 20.0 | 20 | - | 8 | 10 | 2 | 9.95 | 1 | v Leics 2nd XI | Chester-le-Street | 27 Jul 2017 | Other T20 | |
| 276 | 20.0 | 20 | - | 3 | 13 | 4 | 13.80 | 1 | v Glam 2nd XI | Chelmsford | 11 Jun 2018 | Other T20 | |
| 177 | 20.0 | 20 | 12 | 5 | 3 | - | 8.85 | 1 | v Smrst 2nd XI | Rockhampton | 17 Jul 2019 | Other T20 | |
| 177 | 20.0 | 20 | - | 3 | 11 | 6 | 8.85 | 2 | v Kent 2nd XI | Southend-on-Sea | 27 May 2021 | Other T20 | |
| 220 | 20.0 | 20 | 1 | 6 | 11 | 2 | 11.00 | 1 | v Notts 2nd XI | Worksop | 8 Jun 2021 | Other T20 | |
| 231 | 20.0 | 20 | 4 | 3 | 11 | 2 | 11.55 | 1 | v Leics 2nd XI | Leicester | 22 May 2023 | Other T20 | |
| 168 | 20.0 | 20 | - | 10 | 10 | - | 8.40 | 1 | v Smrst 2nd XI | Barnt Green | 25 May 2023 | Other T20 | |
| 238 | 20.0 | 20 | 11 | - | 3 | 6 | 11.90 | 1 | v Lancs 2nd XI | Barnsley | 2 Jul 2024 | Other T20 | |
| 176 | 20.0 | 20 | 4 | 4 | 8 | 4 | 8.80 | 1 | v Nthants 2nd | Cheltenham | 28 May 2025 | Other T20 | |
| 65 | 11.0 | 19 | 4 | 1 | 14 | - | 5.90 | 2 | v Smrst 2nd XI | Taunton | 27 May 2024 | Other T20 | |
| 153 | 17.5 | 19 | 8 | 1 | 6 | 4 | 8.57 | 2 | v Surr 2nd XI | Southampton | 22 May 2025 | Other T20 | |
| 154 | 18.1 | 19 | - | 1 | 14 | 4 | 8.47 | 2 | v Surr 2nd XI | Northwood | 15 Jun 2021 | Other T20 | |
| 216 | 18.4 | 19 | 4 | 2 | 13 | - | 11.57 | 2 | v Notts 2nd XI | Repton | 9 Jul 2025 | Other T20 | |
| 190 | 19.0 | 19 | 8 | 1 | 2 | 8 | 10.00 | 2 | v Worcs 2nd XI | Ombersley | 4 Jun 2025 | Other T20 | |
| 137 | 19.5 | 19 | 2 | 5 | 4 | 2 | 6.90 | 2 | v Kent 2nd XI | Billericay | 6 Jun 2016 | Other T20 | |
| 196 | 20.0 | 19 | 4 | 4 | 11 | - | 9.80 | 1 | v Notts 2nd XI | Birmingham | 5 May 2016 | Other T20 | |
| 120 | 20.0 | 19 | 1 | 8 | 8 | 2 | 6.00 | 1 | v Lancs 2nd XI | Northampton | 3 Jul 2017 | Other T20 | |
| 174 | 20.0 | 19 | - | 9 | 6 | 4 | 8.70 | 1 | v Middx 2nd XI | Newport | 2 Jul 2018 | Other T20 | |
| 190 | 20.0 | 19 | - | 6 | 7 | 6 | 9.50 | 1 | v Notts 2nd XI | Worksop | 18 Jul 2018 | Other T20 | |
| 191 | 20.0 | 19 | 4 | 5 | 8 | 2 | 9.55 | 1 | v Sussx 2nd XI | Billericay | 27 Jun 2019 | Other T20 | |
| 156 | 20.0 | 19 | 4 | 3 | 10 | 2 | 7.80 | 2 | v Warwcks 2nd | Derby | 12 Jul 2019 | Other T20 | |
| 158 | 20.0 | 19 | 1 | 7 | 9 | 2 | 7.90 | 1 | v Glouc 2nd XI | Llnadaff | 15 Jul 2019 | Other T20 | |
| 194 | 20.0 | 19 | 5 | 4 | 6 | 4 | 9.70 | 2 | v Warwcks 2nd | Barnt Green | 7 Aug 2019 | Other T20 | |
| 207 | 20.0 | 19 | 5 | 7 | 7 | - | 10.35 | 1 | v Sussx 2nd XI | Hove | 15 Jun 2021 | Other T20 | |
| 170 | 20.0 | 19 | - | 4 | 11 | 4 | 8.50 | 2 | v Smrst 2nd XI | Taunton | 18 Jun 2021 | Other T20 | |
| 161 | 20.0 | 19 | - | 7 | 8 | 4 | 8.05 | 1 | v Essex 2nd XI | Northwood | 27 May 2022 | Other T20 | |
| 139 | 20.0 | 19 | 6 | 5 | 4 | 4 | 6.95 | 1 | v Essex 2nd XI | Southend-on-Sea | 1 Jun 2022 | Other T20 | |
| 199 | 20.0 | 19 | - | 4 | 13 | 2 | 9.95 | 1 | v Notts 2nd XI | Worksop | 2 Jun 2023 | Other T20 | |
| 172 | 20.0 | 19 | 8 | 4 | 5 | 2 | 8.60 | 1 | v Sussx 2nd XI | Southampton | 2 Jun 2023 | Other T20 | |
| 199 | 20.0 | 19 | - | 4 | 13 | 2 | 9.95 | 1 | v Yorks 2nd XI | Duffield | 28 Jun 2024 | Other T20 | |
| 121 | 13.4 | 18 | 10 | 3 | 3 | 2 | 8.85 | 2 | v Sussx 2nd XI | Bath | 23 Jul 2018 | Other T20 | |
| 157 | 14.0 | 18 | 8 | 1 | 3 | 6 | 11.21 | 2 | v Nthants 2nd | Milton Keynes | 3 Jul 2024 | Other T20 | |
| 142 | 18.3 | 18 | 1 | 6 | 11 | - | 7.67 | 2 | v Glouc 2nd XI | Rockhampton | 17 Jul 2019 | Other T20 | |
| 159 | 19.1 | 18 | 4 | 1 | 5 | 8 | 8.29 | 2 | v Smrst 2nd XI | Newport | 28 Jun 2018 | Other T20 | |
| 143 | 19.2 | 18 | - | 1 | 17 | - | 7.39 | 2 | v Glam 2nd XI | Dunstable | 11 Jun 2021 | Other T20 | |
| 156 | 19.3 | 18 | 4 | 5 | 9 | - | 8.00 | 2 | v Sussx 2nd XI | Horsham | 25 May 2022 | Other T20 |
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Team is the team credited with the extras, Opposition is the team that conceded them.