Smallest victories by Leinster Lightning in T20s
By runs
Winner | Margin | Balls Rem | Target | Overs | Opposition | Ground | Match Date | Scorecard |
| 1 run | - | 143 | 20.0 | v Knights | Belfast | 4 Jun 2024 | Twenty20 | |
| 4 runs | - | 100 | 20.0 | v NW Warriors | Bready | 8 Jun 2018 | Twenty20 | |
| 8 runs | - | 137 | 20.0 | v Knights | Belfast | 23 Jun 2017 | Twenty20 | |
| 16 runs | - | 128 | 20.0 | v NW Warriors | Bready | 27 Jun 2021 | Twenty20 | |
| 24 runs | - | 129 | 12.0 | v NW Warriors | Dublin | 27 Aug 2020 | Twenty20 | |
| 27 runs | - | 208 | 20.0 | v Knights | Dublin | 6 Jul 2018 | Twenty20 | |
| 32 runs | - | 151 | 18.2 | v Knights | Belfast | 26 Jun 2025 | Twenty20 | |
| 38 runs | - | 179 | 16.0 | v Knights | Belfast | 25 May 2018 | Twenty20 | |
| 39 runs | - | 177 | 17.5 | v Knights | Comber | 29 May 2022 | Twenty20 | |
| 41 runs | - | 183 | 18.4 | v NW Warriors | Dublin | 7 Jul 2018 | Twenty20 | |
| 56 runs | - | 154 | 17.0 | v NW Warriors | Bready | 26 May 2017 | Twenty20 | |
| 59 runs | - | 248 | 20.0 | v Munster Reds | Dublin | 16 Jun 2017 | Twenty20 | |
| 70 runs | - | 168 | 16.3 | v Knights | Bready | 26 Jun 2021 | Twenty20 | |
| 75 runs | - | 197 | 20.0 | v Munster Reds | Cork | 7 Aug 2024 | Twenty20 | |
| 79 runs | - | 194 | 18.1 | v NW Warriors | Bready | 2 Jul 2025 | Twenty20 | |
| 80 runs | - | 161 | 15.4 | v Munster Reds | Dublin | 18 May 2018 | Twenty20 | |
| 128 runs | - | 261 | 17.5 | v NW Warriors | Dublin | 28 Jul 2022 | Twenty20 |
By wickets
Winner | Margin | Balls Rem | Target | Overs | Opposition | Ground | Match Date | Scorecard |
| 2 wickets | 4 | 188 | 19.2 | v Knights | Dublin | 10 Jul 2025 | Twenty20 | |
| 3 wickets | - | 182 | 20.0 | v Munster Reds | Dublin | 22 Jun 2019 | Twenty20 | |
| 4 wickets | 26 | 131 | 15.4 | v NW Warriors | Cork | 18 Jun 2025 | Twenty20 | |
| 5 wickets | 38 | 119 | 13.4 | v Munster Reds | Cork | 11 Aug 2017 | Twenty20 | |
| 5 wickets | 7 | 129 | 18.5 | v Knights | Dublin | 3 Sep 2020 | Twenty20 | |
| 5 wickets | 9 | 220 | 18.3 | v Munster Reds | Dublin | 27 Jul 2022 | Twenty20 | |
| 5 wickets | 9 | 188 | 18.3 | v Knights | Dublin | 3 Aug 2023 | Twenty20 | |
| 5 wickets | 17 | 192 | 17.1 | v Knights | Dublin | 3 May 2024 | Twenty20 | |
| 6 wickets | 58 | 97 | 10.2 | v Knights | Dublin | 29 Jul 2022 | Twenty20 | |
| 6 wickets | 29 | 168 | 15.1 | v Munster Reds | Dublin | 1 Aug 2023 | Twenty20 | |
| 6 wickets | 30 | 135 | 15.0 | v Munster Reds | Dublin | 1 May 2024 | Twenty20 | |
| 6 wickets | 9 | 160 | 18.3 | v Munster Reds | Dublin | 16 May 2024 | Twenty20 | |
| 6 wickets | 25 | 167 | 15.5 | v Munster Reds | Cork | 19 Jun 2025 | Twenty20 | |
| 6 wickets | 27 | 123 | 15.3 | v Munster Reds | Belfast | 24 Jun 2025 | Twenty20 | |
| 6 wickets | 8 | 199 | 18.4 | v NW Warriors | Dublin | 9 Jul 2025 | Twenty20 | |
| 7 wickets | 17 | 158 | 17.1 | v Knights | Dublin | 9 Jun 2017 | Twenty20 | |
| 7 wickets | 20 | 77 | 9.4 | v Munster Reds | Cork | 1 Sep 2020 | Twenty20 | |
| 7 wickets | 29 | 149 | 15.1 | v Munster Reds | Dublin | 18 Jun 2021 | Twenty20 | |
| 8 wickets | 43 | 149 | 12.5 | v Warriors | Dublin | 2 May 2024 | Twenty20 | |
| 8 wickets | 28 | 144 | 15.2 | v NW Warriors | Belfast | 25 Jun 2025 | Twenty20 | |
| 8 wickets | 24 | 160 | 16.0 | v Munster Reds | Dublin | 8 Jul 2025 | Twenty20 | |
| 9 wickets | 72 | 77 | 8.0 | v Munster Reds | Dublin | 20 Aug 2020 | Twenty20 | |
| 9 wickets | 72 | 84 | 8.0 | v Warriors | Dublin | 28 Aug 2024 | Twenty20 | |
| 9 wickets | 45 | 124 | 12.3 | v Knights | Bready | 1 Jul 2025 | Twenty20 |
By balls remaining in the second innings
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| Leinster | 3 wickets | - | 182 | 20.0 | 20.0 | v Munster Reds | Dublin | 22 Jun 2019 | Twenty20 |
| 2 wickets | 4 | 188 | 19.2 | 20.0 | v Knights | Dublin | 10 Jul 2025 | Twenty20 | |
| 5 wickets | 7 | 129 | 18.5 | 20.0 | v Knights | Dublin | 3 Sep 2020 | Twenty20 | |
| 6 wickets | 8 | 199 | 18.4 | 20.0 | v NW Warriors | Dublin | 9 Jul 2025 | Twenty20 | |
| 5 wickets | 9 | 220 | 18.3 | 20.0 | v Munster Reds | Dublin | 27 Jul 2022 | Twenty20 | |
| 5 wickets | 9 | 188 | 18.3 | 20.0 | v Knights | Dublin | 3 Aug 2023 | Twenty20 | |
| 6 wickets | 9 | 160 | 18.3 | 20.0 | v Munster Reds | Dublin | 16 May 2024 | Twenty20 | |
| 7 wickets | 17 | 158 | 17.1 | 20.0 | v Knights | Dublin | 9 Jun 2017 | Twenty20 | |
| 5 wickets | 17 | 192 | 17.1 | 20.0 | v Knights | Dublin | 3 May 2024 | Twenty20 | |
| 7 wickets | 20 | 77 | 9.4 | 13.0 | v Munster Reds | Cork | 1 Sep 2020 | Twenty20 | |
| 8 wickets | 24 | 160 | 16.0 | 20.0 | v Munster Reds | Dublin | 8 Jul 2025 | Twenty20 | |
| 6 wickets | 25 | 167 | 15.5 | 20.0 | v Munster Reds | Cork | 19 Jun 2025 | Twenty20 | |
| 4 wickets | 26 | 131 | 15.4 | 20.0 | v NW Warriors | Cork | 18 Jun 2025 | Twenty20 | |
| 6 wickets | 27 | 123 | 15.3 | 20.0 | v Munster Reds | Belfast | 24 Jun 2025 | Twenty20 | |
| 8 wickets | 28 | 144 | 15.2 | 20.0 | v NW Warriors | Belfast | 25 Jun 2025 | Twenty20 | |
| 7 wickets | 29 | 149 | 15.1 | 20.0 | v Munster Reds | Dublin | 18 Jun 2021 | Twenty20 | |
| 6 wickets | 29 | 168 | 15.1 | 20.0 | v Munster Reds | Dublin | 1 Aug 2023 | Twenty20 | |
| 6 wickets | 30 | 135 | 15.0 | 20.0 | v Munster Reds | Dublin | 1 May 2024 | Twenty20 | |
| 5 wickets | 38 | 119 | 13.4 | 20.0 | v Munster Reds | Cork | 11 Aug 2017 | Twenty20 | |
| 8 wickets | 43 | 149 | 12.5 | 20.0 | v Warriors | Dublin | 2 May 2024 | Twenty20 | |
| 9 wickets | 45 | 124 | 12.3 | 20.0 | v Knights | Bready | 1 Jul 2025 | Twenty20 | |
| 6 wickets | 58 | 97 | 10.2 | 20.0 | v Knights | Dublin | 29 Jul 2022 | Twenty20 | |
| 9 wickets | 72 | 77 | 8.0 | 20.0 | v Munster Reds | Dublin | 20 Aug 2020 | Twenty20 | |
| 9 wickets | 72 | 84 | 8.0 | 20.0 | v Warriors | Dublin | 28 Aug 2024 | Twenty20 |
Tied matches
Team 1 | Team 2 | Ground | Match Date | Scorecard |
| Munster Reds | Leinster | Bready Cricket Club, Magheramason, Bready | 10 Jun 2022 | Twenty20 |
Adjust:Most recentPast weekPast MonthPast year4 years10 years25 years
Records includes the following current or recent matches:
Northern Knights vs Leinster at Dublin, Ireland Inter-Provincial Twenty20 Trophy 24th Match, Jul 10, 2025 [Twenty20]
North West Warriors vs Leinster at Dublin, Ireland Inter-Provincial Twenty20 Trophy 22nd Match, Jul 9, 2025 [Twenty20]
Munster Reds vs Leinster at Dublin, Ireland Inter-Provincial Twenty20 Trophy 19th Match, Jul 8, 2025 [Twenty20]