Smallest victories For Second Eleven Twenty20 - Surrey 2nd XI
By runs
Winner | Margin | Balls Rem | Target | Overs | Opposition | Ground | Match Date | Scorecard |
| 2 runs | 0 | 136 | 20.0 | v Kent 2nd XI | Purley | 17 May 2016 | Other T20 | |
| 2 runs | 0 | 198 | 20.0 | v Kent 2nd XI | Canterbury | 23 May 2024 | Other T20 | |
| 6 runs | 0 | 195 | 20.0 | v Essex 2nd XI | London | 16 May 2022 | Other T20 | |
| 9 runs | 0 | 203 | 20.0 | v Kent 2nd XI | London | 27 May 2022 | Other T20 | |
| 14 runs | 0 | 93 | 13.0 | v Middx 2nd XI | Purley | 7 Jun 2016 | Other T20 | |
| 16 runs | 0 | 221 | 20.0 | v Kent 2nd XI | Canterbury | 8 Jun 2021 | Other T20 | |
| 25 runs | 0 | 144 | 20.0 | v Sussx 2nd XI | Purley | 16 May 2016 | Other T20 | |
| 25 runs | 0 | 206 | 20.0 | v Middx 2nd XI | London | 22 May 2023 | Other T20 | |
| 34 runs | 0 | 196 | 20.0 | v Kent 2nd XI | New Malden | 13 Jun 2021 | Other T20 | |
| 35 runs | 0 | 222 | 20.0 | v Middx 2nd XI | New Malden | 10 Jun 2024 | Other T20 | |
| 42 runs | 0 | 216 | 20.0 | v Essex 2nd XI | New Malden | 11 Jun 2024 | Other T20 | |
| 49 runs | 0 | 151 | 18.2 | v Middx 2nd XI | Sunbury-on-Thames | 14 Jun 2017 | Other T20 | |
| 56 runs | 0 | 185 | 20.0 | v Glouc 2nd XI | New Malden | 22 Jul 2019 | Other T20 | |
| 59 runs | 0 | 195 | 17.1 | v Hants 2nd XI | Southampton | 26 May 2022 | Other T20 | |
| 81 runs | 0 | 199 | 20.0 | v Middx 2nd XI | London | 12 Jun 2025 | Other T20 |
By wickets
By balls remaining in the second innings
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 5 wickets | 0 | 159 | 20.0 | 20.0 | v Hants 2nd XI | New Malden | 8 Jun 2023 | Other T20 | |
| 3 wickets | 1 | 146 | 19.5 | 20.0 | v Hants 2nd XI | Purley | 8 Jun 2016 | Other T20 | |
| 3 wickets | 1 | 165 | 19.5 | 20.0 | v Hants 2nd XI | Southampton | 5 Jul 2018 | Other T20 | |
| 5 wickets | 6 | 167 | 19.0 | 20.0 | v Sussx 2nd XI | Woodman Cote | 5 Aug 2019 | Other T20 | |
| 6 wickets | 6 | 151 | 19.0 | 20.0 | v Kent 2nd XI | New Malden | 30 May 2023 | Other T20 | |
| 3 wickets | 8 | 151 | 18.4 | 20.0 | v Hants 2nd XI | Purley | 16 Jun 2015 | Other T20 | |
| 4 wickets | 9 | 155 | 18.3 | 20.0 | v Unicorns | Knypersley | 1 Aug 2018 | Other T20 | |
| 6 wickets | 10 | 137 | 18.2 | 20.0 | v Sussx 2nd XI | New Malden | 4 Jun 2024 | Other T20 | |
| 5 wickets | 11 | 177 | 18.1 | 20.0 | v MCC YC | High Wycombe | 12 May 2016 | Other T20 | |
| 8 wickets | 11 | 137 | 18.1 | 20.0 | v Sussx 2nd XI | New Malden | 4 Jul 2017 | Other T20 | |
| 7 wickets | 12 | 168 | 18.0 | 20.0 | v Sussx 2nd XI | Horsham | 10 Jun 2025 | Other T20 | |
| 5 wickets | 13 | 166 | 17.5 | 20.0 | v Kent 2nd XI | New Malden | 3 Jul 2024 | Other T20 | |
| 7 wickets | 14 | 160 | 17.4 | 20.0 | v Middx 2nd XI | New Malden | 25 Jun 2018 | Other T20 | |
| 5 wickets | 14 | 123 | 17.4 | 20.0 | v Sussx 2nd XI | London | 4 Jun 2025 | Other T20 | |
| 9 wickets | 25 | 145 | 15.5 | 20.0 | v Kent 2nd XI | Canterbury | 5 Jul 2017 | Other T20 | |
| 6 wickets | 28 | 140 | 15.2 | 20.0 | v Essex 2nd XI | Southend-on-Sea | 20 May 2025 | Other T20 | |
| 8 wickets | 34 | 112 | 14.2 | 20.0 | v Glam 2nd XI | Neath | 18 Jun 2017 | Other T20 | |
| 8 wickets | 49 | 146 | 11.5 | 20.0 | v Essex 2nd XI | New Malden | 2 Jun 2021 | Other T20 | |
| 6 wickets | 50 | 102 | 11.4 | 20.0 | v Middx 2nd XI | New Malden | 5 Jun 2023 | Other T20 | |
| 7 wickets | 50 | 119 | 11.4 | 20.0 | v Middx 2nd XI | Richmond | 1 Jul 2024 | Other T20 |
Tied matches
Team 1 | Team 2 | Ground | Match Date | Scorecard |
| Surr 2nd XI | Sussx 2nd XI | The Ridge, Purley | 16 May 2016 | Other T20 |
| Hants 2nd XI | Surr 2nd XI | The Rose Bowl, Southampton | 31 May 2021 | Other T20 |
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