Smallest victories for Glamorgan vs Somerset in T20s
By runs
Winner | Margin | Balls Rem | Target | Overs | Opposition | Ground | Match Date | Scorecard |
| 1 run | 0 | 114 | 20.0 | v Glamorgan | Cardiff | 25 May 2009 | Twenty20 | |
| 1 run | 0 | 184 | 20.0 | v Somerset | Taunton | 13 Aug 2017 | Twenty20 | |
| 2 runs | 0 | 42 | 6.0 | v Somerset | Cardiff | 13 Jun 2015 | Twenty20 | |
| 2 runs | 0 | 177 | 20.0 | v Somerset | Taunton | 4 Jul 2025 | Twenty20 | |
| 3 runs | 0 | 171 | 20.0 | v Somerset | Taunton | 28 Jun 2015 | Twenty20 | |
| 7 runs | 0 | 177 | 20.0 | v Somerset | Taunton | 6 Jun 2014 | Twenty20 | |
| 13 runs | 0 | 220 | 20.0 | v Glamorgan | Taunton | 11 Jul 2006 | Twenty20 | |
| 14 runs | 0 | 171 | 20.0 | v Somerset | Cardiff | 13 Jun 2008 | Twenty20 | |
| 15 runs | 0 | 186 | 20.0 | v Glamorgan | Taunton | 17 Jun 2008 | Twenty20 | |
| 16 runs | 0 | 76 | 7.0 | v Glamorgan | Cardiff | 24 Jun 2022 | Twenty20 | |
| 25 runs | 0 | 178 | 20.0 | v Glamorgan | Taunton | 24 Aug 2019 | Twenty20 | |
| 28 runs | 0 | 203 | 20.0 | v Glamorgan | Taunton | 29 Jun 2007 | Twenty20 | |
| 29 runs | 0 | 211 | 20.0 | v Glamorgan | Taunton | 12 Aug 2018 | Twenty20 | |
| 30 runs | 0 | 191 | 20.0 | v Glamorgan | Cardiff | 20 Jul 2018 | Twenty20 | |
| 64 runs | 0 | 200 | 18.1 | v Glamorgan | Taunton | 19 Jul 2013 | Twenty20 | |
| 66 runs | 0 | 184 | 15.5 | v Glamorgan | Cardiff | 16 Sep 2020 | Twenty20 | |
| 74 runs | 0 | 182 | 17.4 | v Glamorgan | Cardiff | 16 Jul 2021 | Twenty20 | |
| 89 runs | 0 | 213 | 17.4 | v Glamorgan | Taunton | 27 Jun 2005 | Twenty20 | |
| 108 runs | 0 | 194 | 13.2 | v Glamorgan | Taunton | 16 Jun 2024 | Twenty20 | |
| 120 runs | 0 | 244 | 13.3 | v Somerset | Cardiff | 19 Jul 2024 | Twenty20 |
By wickets
Winner | Margin | Balls Rem | Target | Overs | Opposition | Ground | Match Date | Scorecard |
| 1 wicket | 0 | 186 | 20.0 | v Somerset | Cardiff | 30 Jun 2006 | Twenty20 | |
| 4 wickets | 1 | 179 | 19.5 | v Glamorgan | Taunton | 22 Jun 2012 | Twenty20 | |
| 4 wickets | 31 | 154 | 14.5 | v Glamorgan | Taunton | 28 May 2023 | Twenty20 | |
| 5 wickets | 4 | 143 | 19.2 | v Somerset | Cardiff | 26 Jun 2007 | Twenty20 | |
| 5 wickets | 21 | 99 | 14.3 | v Glamorgan | Cardiff | 5 Jul 2011 | Twenty20 | |
| 6 wickets | 8 | 139 | 18.4 | v Glamorgan | Taunton | 28 Jun 2010 | Twenty20 | |
| 6 wickets | 20 | 131 | 16.4 | v Glamorgan | Cardiff | 20 Jun 2025 | Twenty20 | |
| 7 wickets | 12 | 194 | 18.0 | v Glamorgan | Cardiff | 18 Jun 2003 | Twenty20 | |
| 7 wickets | 19 | 92 | 11.5 | v Glamorgan | Cardiff | 14 Jul 2010 | Twenty20 | |
| 7 wickets | 26 | 167 | 15.4 | v Glamorgan | Taunton | 26 Jun 2011 | Twenty20 | |
| 7 wickets | 12 | 153 | 18.0 | v Somerset | Cardiff | 22 Jul 2016 | Twenty20 | |
| 8 wickets | 3 | 194 | 19.3 | v Somerset | Taunton | 5 Jul 2004 | Twenty20 | |
| 8 wickets | 12 | 181 | 18.0 | v Glamorgan | Cardiff | 18 Jul 2019 | Twenty20 | |
| 8 wickets | 23 | 134 | 16.1 | v Glamorgan | Taunton | 1 Sep 2020 | Twenty20 | |
| 8 wickets | 17 | 172 | 17.1 | v Glamorgan | Cardiff | 21 Jun 2023 | Twenty20 | |
| 9 wickets | 28 | 126 | 15.2 | v Somerset | Cardiff | 12 Jul 2013 | Twenty20 | |
| 9 wickets | 35 | 174 | 14.1 | v Glamorgan | Taunton | 3 Jun 2022 | Twenty20 | |
| 10 wickets | 32 | 129 | 14.4 | v Glamorgan | Taunton | 1 Jun 2009 | Twenty20 |
By balls remaining in the second innings
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| Glamorgan | 1 wicket | 0 | 186 | 20.0 | 20.0 | v Somerset | Cardiff | 30 Jun 2006 | Twenty20 |
| 4 wickets | 1 | 179 | 19.5 | 20.0 | v Glamorgan | Taunton | 22 Jun 2012 | Twenty20 | |
| 8 wickets | 3 | 194 | 19.3 | 20.0 | v Somerset | Taunton | 5 Jul 2004 | Twenty20 | |
| 5 wickets | 4 | 143 | 19.2 | 20.0 | v Somerset | Cardiff | 26 Jun 2007 | Twenty20 | |
| 6 wickets | 8 | 139 | 18.4 | 20.0 | v Glamorgan | Taunton | 28 Jun 2010 | Twenty20 | |
| 7 wickets | 12 | 194 | 18.0 | 20.0 | v Glamorgan | Cardiff | 18 Jun 2003 | Twenty20 | |
| 7 wickets | 12 | 153 | 18.0 | 20.0 | v Somerset | Cardiff | 22 Jul 2016 | Twenty20 | |
| 8 wickets | 12 | 181 | 18.0 | 20.0 | v Glamorgan | Cardiff | 18 Jul 2019 | Twenty20 | |
| 8 wickets | 17 | 172 | 17.1 | 20.0 | v Glamorgan | Cardiff | 21 Jun 2023 | Twenty20 | |
| 7 wickets | 19 | 92 | 11.5 | 15.0 | v Glamorgan | Cardiff | 14 Jul 2010 | Twenty20 | |
| 6 wickets | 20 | 131 | 16.4 | 20.0 | v Glamorgan | Cardiff | 20 Jun 2025 | Twenty20 | |
| 5 wickets | 21 | 99 | 14.3 | 18.0 | v Glamorgan | Cardiff | 5 Jul 2011 | Twenty20 | |
| 8 wickets | 23 | 134 | 16.1 | 20.0 | v Glamorgan | Taunton | 1 Sep 2020 | Twenty20 | |
| 7 wickets | 26 | 167 | 15.4 | 20.0 | v Glamorgan | Taunton | 26 Jun 2011 | Twenty20 | |
| 9 wickets | 28 | 126 | 15.2 | 20.0 | v Somerset | Cardiff | 12 Jul 2013 | Twenty20 | |
| 4 wickets | 31 | 154 | 14.5 | 20.0 | v Glamorgan | Taunton | 28 May 2023 | Twenty20 | |
| 10 wickets | 32 | 129 | 14.4 | 20.0 | v Glamorgan | Taunton | 1 Jun 2009 | Twenty20 | |
| 9 wickets | 35 | 174 | 14.1 | 20.0 | v Glamorgan | Taunton | 3 Jun 2022 | Twenty20 |
Tied matches
Team 1 | Team 2 | Ground | Match Date | Scorecard |
| No records found | ||||
Adjust:Most recentPast weekPast MonthPast year4 years10 years25 years
Records includes the following current or recent matches:
Hampshire vs Somerset at Birmingham, Vitality Blast Men Final, Sep 13, 2025 [Twenty20]
Somerset vs Lancashire at Birmingham, Vitality Blast Men 1st Semi Final, Sep 13, 2025 [Twenty20]
Warwickshire vs Somerset at Taunton, Vitality Blast Men 4th Quarter Final, Sep 6, 2025 [Twenty20]