Smallest victories for Northamptonshire vs Warwickshire in T20s
By runs
By wickets
Winner | Margin | Balls Rem | Target | Overs | Opposition | Ground | Match Date | Scorecard |
| 3 wickets | 3 | 112 | 19.3 | v Northants | Birmingham | 20 Jul 2013 | Twenty20 | |
| 3 wickets | 7 | 192 | 18.5 | v Bears | Birmingham | 20 Sep 2020 | Twenty20 | |
| 4 wickets | 6 | 124 | 19.0 | v Warwickshire | Birmingham | 12 Jul 2004 | Twenty20 | |
| 4 wickets | 12 | 101 | 16.0 | v Warwickshire | Northampton | 4 Jul 2007 | Twenty20 | |
| 4 wickets | 2 | 151 | 19.4 | v Bears | Birmingham | 25 Aug 2019 | Twenty20 | |
| 5 wickets | 0 | 147 | 20.0 | v Northants | Northampton | 29 May 2015 | Twenty20 | |
| 5 wickets | 12 | 132 | 18.0 | v Warwickshire | Birmingham | 29 Aug 2015 | Twenty20 | |
| 5 wickets | 0 | 157 | 20.0 | v Warwickshire | Birmingham | 14 Jul 2017 | Twenty20 | |
| 6 wickets | 11 | 147 | 18.1 | v Northants | Northampton | 9 Jul 2010 | Twenty20 | |
| 6 wickets | 10 | 97 | 18.2 | v Northants | Northampton | 15 Jun 2011 | Twenty20 | |
| 6 wickets | 6 | 150 | 19.0 | v Northants | Birmingham | 19 Jun 2012 | Twenty20 | |
| 6 wickets | 7 | 212 | 18.5 | v Northants | Northampton | 22 Jun 2022 | Twenty20 | |
| 7 wickets | 23 | 154 | 16.1 | v Northants | Northampton | 29 Jun 2012 | Twenty20 | |
| 8 wickets | 35 | 148 | 14.1 | v Northants | Birmingham | 3 Jun 2010 | Twenty20 | |
| 8 wickets | 24 | 134 | 16.0 | v Northants | Birmingham | 19 Jun 2014 | Twenty20 | |
| 8 wickets | 21 | 86 | 12.3 | v Warwickshire | Birmingham | 1 Jul 2016 | Twenty20 | |
| 9 wickets | 26 | 103 | 15.4 | v Northants | Milton Keynes | 19 Jun 2008 | Twenty20 |
By balls remaining in the second innings
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| Warwickshire | 5 wickets | 0 | 147 | 20.0 | 20.0 | v Northants | Northampton | 29 May 2015 | Twenty20 |
| Northants | 5 wickets | 0 | 157 | 20.0 | 20.0 | v Warwickshire | Birmingham | 14 Jul 2017 | Twenty20 |
| 4 wickets | 2 | 151 | 19.4 | 20.0 | v Bears | Birmingham | 25 Aug 2019 | Twenty20 | |
| 3 wickets | 3 | 112 | 19.3 | 20.0 | v Northants | Birmingham | 20 Jul 2013 | Twenty20 | |
| 4 wickets | 6 | 124 | 19.0 | 20.0 | v Warwickshire | Birmingham | 12 Jul 2004 | Twenty20 | |
| 6 wickets | 6 | 150 | 19.0 | 20.0 | v Northants | Birmingham | 19 Jun 2012 | Twenty20 | |
| 3 wickets | 7 | 192 | 18.5 | 20.0 | v Bears | Birmingham | 20 Sep 2020 | Twenty20 | |
| 6 wickets | 7 | 212 | 18.5 | 20.0 | v Northants | Northampton | 22 Jun 2022 | Twenty20 | |
| 6 wickets | 10 | 97 | 18.2 | 20.0 | v Northants | Northampton | 15 Jun 2011 | Twenty20 | |
| 6 wickets | 11 | 147 | 18.1 | 20.0 | v Northants | Northampton | 9 Jul 2010 | Twenty20 | |
| 4 wickets | 12 | 101 | 16.0 | 18.0 | v Warwickshire | Northampton | 4 Jul 2007 | Twenty20 | |
| 5 wickets | 12 | 132 | 18.0 | 20.0 | v Warwickshire | Birmingham | 29 Aug 2015 | Twenty20 | |
| 8 wickets | 21 | 86 | 12.3 | 16.0 | v Warwickshire | Birmingham | 1 Jul 2016 | Twenty20 | |
| 7 wickets | 23 | 154 | 16.1 | 20.0 | v Northants | Northampton | 29 Jun 2012 | Twenty20 | |
| 8 wickets | 24 | 134 | 16.0 | 20.0 | v Northants | Birmingham | 19 Jun 2014 | Twenty20 | |
| 9 wickets | 26 | 103 | 15.4 | 20.0 | v Northants | Milton Keynes | 19 Jun 2008 | Twenty20 | |
| 8 wickets | 35 | 148 | 14.1 | 20.0 | v Northants | Birmingham | 3 Jun 2010 | Twenty20 |
Tied matches
Team 1 | Team 2 | Ground | Match Date | Scorecard |
| Bears | Northants | Edgbaston, Birmingham | 20 Jul 2018 | Twenty20 |
Adjust:Most recentPast weekPast MonthPast year4 years10 years25 years
Records includes the following current or recent matches:
Northamptonshire vs Hampshire at Birmingham, Vitality Blast Men 2nd Semi Final, Sep 13, 2025 [Twenty20]
Warwickshire vs Somerset at Taunton, Vitality Blast Men 4th Quarter Final, Sep 6, 2025 [Twenty20]
Northamptonshire vs Surrey at The Oval, Vitality Blast Men 1st Quarter Final, Sep 3, 2025 [Twenty20]