Smallest victories in T20s at NZ: Basin Reserve, Wellington
By runs
By wickets
Winner | Margin | Balls Rem | Target | Overs | Opposition | Ground | Match Date | Scorecard |
| 2 wickets | 3 | 168 | 19.3 | v Wellington | Wellington | 24 Jan 2022 | Twenty20 | |
| 3 wickets | 2 | 154 | 19.4 | v Otago | Wellington | 4 Dec 2010 | Twenty20 | |
| 3 wickets | 2 | 149 | 19.4 | v Wellington | Wellington | 5 Dec 2010 | Twenty20 | |
| 3 wickets | 4 | 152 | 19.2 | v Canterbury | Wellington | 5 Jan 2017 | Twenty20 | |
| 4 wickets | 5 | 177 | 19.1 | v Auckland | Wellington | 24 Dec 2020 | Twenty20 | |
| 4 wickets | 12 | 138 | 18.0 | v Otago | Wellington | 24 Jan 2021 | Twenty20 | |
| 5 wickets | 2 | 186 | 19.4 | v Wellington | Wellington | 13 Jan 2006 | Twenty20 | |
| 5 wickets | 4 | 146 | 19.2 | v Wellington | Wellington | 18 Feb 2009 | Twenty20 | |
| 5 wickets | 9 | 139 | 18.3 | v Canterbury | Wellington | 28 Dec 2017 | Twenty20 | |
| 5 wickets | 2 | 176 | 19.4 | v Canterbury | Wellington | 13 Feb 2021 | Twenty20 | |
| 5 wickets | 1 | 149 | 19.5 | v Wellington | Wellington | 23 Jan 2023 | Twenty20 | |
| 6 wickets | 12 | 151 | 18.0 | v Northern Dis | Wellington | 19 Jan 2007 | Twenty20 | |
| 6 wickets | 9 | 181 | 18.3 | v Central D | Wellington | 26 Jan 2007 | Twenty20 | |
| 6 wickets | 16 | 164 | 17.2 | v Northern Dis | Wellington | 8 Feb 2009 | Twenty20 | |
| 6 wickets | 42 | 127 | 13.0 | v South Island | Wellington | 28 Feb 2016 | Twenty20 | |
| 6 wickets | 21 | 134 | 16.3 | v Wellington | Wellington | 26 Dec 2016 | Twenty20 | |
| 6 wickets | 14 | 123 | 17.4 | v Wellington | Wellington | 18 Jan 2019 | Twenty20 | |
| 6 wickets | 12 | 166 | 18.0 | v Wellington | Wellington | 12 Jan 2020 | Twenty20 | |
| 6 wickets | 21 | 152 | 16.3 | v Wellington | Wellington | 19 Dec 2021 | Twenty20 | |
| 6 wickets | 8 | 137 | 18.4 | v Wellington | Wellington | 4 Jan 2023 | Twenty20 | |
| 6 wickets | 19 | 148 | 16.5 | v Wellington | Wellington | 13 Jan 2024 | Twenty20 | |
| 6 wickets | 0 | 193 | 20.0 | v Wellington | Wellington | 9 Jan 2025 | Twenty20 | |
| 6 wickets | 16 | 136 | 17.2 | v Canterbury | Wellington | 2 Feb 2025 | Twenty20 | |
| 7 wickets | 16 | 115 | 17.2 | v Canterbury | Wellington | 25 Jan 2008 | Twenty20 | |
| 7 wickets | 14 | 164 | 17.4 | v Canterbury | Wellington | 6 Jan 2010 | Twenty20 | |
| 7 wickets | 9 | 158 | 18.3 | v Auckland | Wellington | 28 Dec 2011 | Twenty20 | |
| 7 wickets | 8 | 129 | 18.4 | v Wellington | Wellington | 19 Nov 2013 | Twenty20 | |
| 7 wickets | 12 | 153 | 18.0 | v Wellington | Wellington | 22 Nov 2015 | Twenty20 | |
| 7 wickets | 9 | 137 | 18.3 | v Wellington | Wellington | 29 Nov 2015 | Twenty20 | |
| 7 wickets | 42 | 160 | 13.0 | v Otago | Wellington | 31 Dec 2017 | Twenty20 | |
| 7 wickets | 2 | 154 | 19.4 | v Canterbury | Wellington | 25 Jan 2021 | Twenty20 | |
| 7 wickets | 27 | 103 | 15.3 | v Wellington | Wellington | 15 Jan 2024 | Twenty20 | |
| 7 wickets | 41 | 111 | 13.1 | v Northern Dis | Wellington | 1 Feb 2025 | Twenty20 | |
| 8 wickets | 18 | 140 | 17.0 | v Otago | Wellington | 23 Jan 2008 | Twenty20 | |
| 8 wickets | 22 | 165 | 16.2 | v Central D | Wellington | 31 Jan 2021 | Twenty20 | |
| 8 wickets | 11 | 117 | 13.1 | v Otago | Wellington | 6 Jan 2022 | Twenty20 |
By balls remaining in the second innings
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 6 wickets | 0 | 193 | 20.0 | 20.0 | v Wellington | Wellington | 9 Jan 2025 | Twenty20 | |
| 5 wickets | 1 | 149 | 19.5 | 20.0 | v Wellington | Wellington | 23 Jan 2023 | Twenty20 | |
| 5 wickets | 2 | 186 | 19.4 | 20.0 | v Wellington | Wellington | 13 Jan 2006 | Twenty20 | |
| 3 wickets | 2 | 154 | 19.4 | 20.0 | v Otago | Wellington | 4 Dec 2010 | Twenty20 | |
| 3 wickets | 2 | 149 | 19.4 | 20.0 | v Wellington | Wellington | 5 Dec 2010 | Twenty20 | |
| 7 wickets | 2 | 154 | 19.4 | 20.0 | v Canterbury | Wellington | 25 Jan 2021 | Twenty20 | |
| 5 wickets | 2 | 176 | 19.4 | 20.0 | v Canterbury | Wellington | 13 Feb 2021 | Twenty20 | |
| 2 wickets | 3 | 168 | 19.3 | 20.0 | v Wellington | Wellington | 24 Jan 2022 | Twenty20 | |
| 5 wickets | 4 | 146 | 19.2 | 20.0 | v Wellington | Wellington | 18 Feb 2009 | Twenty20 | |
| 3 wickets | 4 | 152 | 19.2 | 20.0 | v Canterbury | Wellington | 5 Jan 2017 | Twenty20 | |
| 4 wickets | 5 | 177 | 19.1 | 20.0 | v Auckland | Wellington | 24 Dec 2020 | Twenty20 | |
| 7 wickets | 8 | 129 | 18.4 | 20.0 | v Wellington | Wellington | 19 Nov 2013 | Twenty20 | |
| 6 wickets | 8 | 137 | 18.4 | 20.0 | v Wellington | Wellington | 4 Jan 2023 | Twenty20 | |
| 6 wickets | 9 | 181 | 18.3 | 20.0 | v Central D | Wellington | 26 Jan 2007 | Twenty20 | |
| 7 wickets | 9 | 158 | 18.3 | 20.0 | v Auckland | Wellington | 28 Dec 2011 | Twenty20 | |
| 7 wickets | 9 | 137 | 18.3 | 20.0 | v Wellington | Wellington | 29 Nov 2015 | Twenty20 | |
| 5 wickets | 9 | 139 | 18.3 | 20.0 | v Canterbury | Wellington | 28 Dec 2017 | Twenty20 | |
| 8 wickets | 11 | 117 | 13.1 | 15.0 | v Otago | Wellington | 6 Jan 2022 | Twenty20 | |
| 6 wickets | 12 | 151 | 18.0 | 20.0 | v Northern Dis | Wellington | 19 Jan 2007 | Twenty20 | |
| 7 wickets | 12 | 153 | 18.0 | 20.0 | v Wellington | Wellington | 22 Nov 2015 | Twenty20 | |
| 6 wickets | 12 | 166 | 18.0 | 20.0 | v Wellington | Wellington | 12 Jan 2020 | Twenty20 | |
| 4 wickets | 12 | 138 | 18.0 | 20.0 | v Otago | Wellington | 24 Jan 2021 | Twenty20 | |
| 7 wickets | 14 | 164 | 17.4 | 20.0 | v Canterbury | Wellington | 6 Jan 2010 | Twenty20 | |
| 6 wickets | 14 | 123 | 17.4 | 20.0 | v Wellington | Wellington | 18 Jan 2019 | Twenty20 | |
| 7 wickets | 16 | 115 | 17.2 | 20.0 | v Canterbury | Wellington | 25 Jan 2008 | Twenty20 | |
| 6 wickets | 16 | 164 | 17.2 | 20.0 | v Northern Dis | Wellington | 8 Feb 2009 | Twenty20 | |
| 6 wickets | 16 | 136 | 17.2 | 20.0 | v Canterbury | Wellington | 2 Feb 2025 | Twenty20 | |
| 8 wickets | 18 | 140 | 17.0 | 20.0 | v Otago | Wellington | 23 Jan 2008 | Twenty20 | |
| 6 wickets | 19 | 148 | 16.5 | 20.0 | v Wellington | Wellington | 13 Jan 2024 | Twenty20 | |
| 6 wickets | 21 | 134 | 16.3 | 20.0 | v Wellington | Wellington | 26 Dec 2016 | Twenty20 | |
| 6 wickets | 21 | 152 | 16.3 | 20.0 | v Wellington | Wellington | 19 Dec 2021 | Twenty20 | |
| 8 wickets | 22 | 165 | 16.2 | 20.0 | v Central D | Wellington | 31 Jan 2021 | Twenty20 | |
| 7 wickets | 27 | 103 | 15.3 | 20.0 | v Wellington | Wellington | 15 Jan 2024 | Twenty20 | |
| 7 wickets | 41 | 111 | 13.1 | 20.0 | v Northern Dis | Wellington | 1 Feb 2025 | Twenty20 | |
| 6 wickets | 42 | 127 | 13.0 | 20.0 | v South Island | Wellington | 28 Feb 2016 | Twenty20 | |
| 7 wickets | 42 | 160 | 13.0 | 20.0 | v Otago | Wellington | 31 Dec 2017 | Twenty20 |
Tied matches
Team 1 | Team 2 | Ground | Match Date | Scorecard |
| Wellington | Otago | Basin Reserve, Wellington | 3 Jan 2017 | Twenty20 |
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Records includes the following current or recent matches:
England A Women vs Australia A Women at Adelaide, England A Women in Australia 3rd unofficial T20, Jan 23, 2022 [Other T20]
England A Women vs Australia A Women at Adelaide, England A Women in Australia 2nd unofficial T20, Jan 21, 2022 [Other T20]
England A Women vs Australia A Women at Adelaide, England A Women in Australia 1st unofficial T20, Jan 20, 2022 [Other T20]