Smallest victories by Bengal in T20s
By runs
Winner | Margin | Balls Rem | Target | Overs | Opposition | Ground | Match Date | Scorecard |
| 1 run | 0 | 143 | 20.0 | v M. Pradesh | Hyderabad | 16 Mar 2011 | Twenty20 | |
| 1 run | 0 | 169 | 20.0 | v Odisha | Cuttack | 29 Mar 2015 | Twenty20 | |
| 2 runs | 0 | 155 | 20.0 | v Himachal | Nagpur | 4 Jan 2016 | Twenty20 | |
| 2 runs | 0 | 147 | 20.0 | v Baroda | Guwahati | 5 Nov 2021 | Twenty20 | |
| 3 runs | 0 | 171 | 20.0 | v Delhi | Kolkata | 23 Jan 2018 | Twenty20 | |
| 3 runs | 0 | 160 | 20.0 | v Chandigarh | Bengaluru | 9 Dec 2024 | Twenty20 | |
| 4 runs | 0 | 150 | 20.0 | v Baroda | Indore | 26 Mar 2013 | Twenty20 | |
| 5 runs | 0 | 153 | 20.0 | v Tripura | Eden Gardens | 31 Jan 2017 | Twenty20 | |
| 5 runs | 0 | 178 | 20.0 | v Jharkhand | New Chandigarh | 25 Oct 2023 | Twenty20 | |
| 9 runs | 0 | 122 | 20.0 | v Odisha | Eden Gardens | 5 Apr 2014 | Twenty20 | |
| 12 runs | 0 | 188 | 20.0 | v Jharkhand | Eden Gardens | 4 Apr 2007 | Twenty20 | |
| 14 runs | 0 | 177 | 20.0 | v UP | Indore | 27 Mar 2013 | Twenty20 | |
| 15 runs | 0 | 133 | 20.0 | v Jharkhand | Cuttack | 22 Oct 2010 | Twenty20 | |
| 16 runs | 0 | 160 | 20.0 | v Tamil Nadu | Ahmedabad | 15 Apr 2007 | Twenty20 | |
| 16 runs | 0 | 162 | 20.0 | v Jharkhand | Eden Gardens | 12 Jan 2021 | Twenty20 | |
| 18 runs | 0 | 172 | 19.3 | v Haryana | Ahmedabad | 16 Apr 2007 | Twenty20 | |
| 18 runs | 0 | 133 | 20.0 | v Orissa | Cuttack | 24 Oct 2010 | Twenty20 | |
| 24 runs | 0 | 220 | 20.0 | v Tripura | Dhanbad | 24 Oct 2009 | Twenty20 | |
| 24 runs | 0 | 146 | 18.4 | v Odisha | Eden Gardens | 3 Feb 2017 | Twenty20 | |
| 26 runs | 0 | 189 | 20.0 | v Chhattisgarh | Cuttack | 28 Feb 2019 | Twenty20 | |
| 29 runs | 0 | 173 | 20.0 | v Rajasthan | Mohali | 17 Oct 2023 | Twenty20 | |
| 31 runs | 0 | 168 | 20.0 | v Vidarbha | Hyderabad | 12 Mar 2011 | Twenty20 | |
| 35 runs | 0 | 170 | 20.0 | v Assam | Eden Gardens | 3 Apr 2007 | Twenty20 | |
| 37 runs | 0 | 150 | 20.0 | v Jharkhand | Agartala | 19 Mar 2013 | Twenty20 | |
| 38 runs | 0 | 132 | 16.1 | v Assam | Jamshedpur | 20 Oct 2011 | Twenty20 | |
| 43 runs | 0 | 165 | 20.0 | v Tamil Nadu | Lucknow | 16 Oct 2022 | Twenty20 | |
| 44 runs | 0 | 162 | 20.0 | v Assam | Eden Gardens | 1 Apr 2014 | Twenty20 | |
| 45 runs | 0 | 124 | 20.0 | v Tripura | Cuttack | 23 Oct 2010 | Twenty20 | |
| 49 runs | 0 | 172 | 20.0 | v Maharashtra | Hyderabad | 14 Mar 2011 | Twenty20 | |
| 49 runs | 0 | 211 | 19.0 | v Tripura | Cuttack | 28 Mar 2015 | Twenty20 | |
| 53 runs | 0 | 131 | 16.2 | v Assam | Agartala | 17 Mar 2013 | Twenty20 | |
| 53 runs | 0 | 162 | 18.5 | v Chhattisgarh | Lucknow | 20 Oct 2022 | Twenty20 | |
| 54 runs | 0 | 208 | 20.0 | v Meghalaya | Wankhede | 11 Nov 2019 | Twenty20 | |
| 55 runs | 0 | 115 | 16.2 | v Tamil Nadu | Hyderabad | 15 Mar 2011 | Twenty20 | |
| 61 runs | 0 | 186 | 16.2 | v Hyderabad | Nagpur | 2 Jan 2016 | Twenty20 | |
| 62 runs | 0 | 226 | 19.5 | v Puducherry | New Chandigarh | 19 Oct 2023 | Twenty20 | |
| 72 runs | 0 | 197 | 20.0 | v Tripura | Jadavpur Uni | 4 Apr 2014 | Twenty20 | |
| 78 runs | 0 | 144 | 12.4 | v Orissa | Jamshedpur | 24 Oct 2011 | Twenty20 | |
| 84 runs | 0 | 180 | 20.0 | v Sikkim | Lucknow | 18 Oct 2022 | Twenty20 | |
| 107 runs | 0 | 235 | 20.0 | v Arunachal | Cuttack | 27 Feb 2019 | Twenty20 | |
| 159 runs | 0 | 222 | 13.0 | v Mizoram | Cuttack | 21 Feb 2019 | Twenty20 |
By wickets
Winner | Margin | Balls Rem | Target | Overs | Opposition | Ground | Match Date | Scorecard |
| 3 wickets | 6 | 142 | 19.0 | v Haryana | Cuttack | 24 Feb 2019 | Twenty20 | |
| 4 wickets | 12 | 134 | 18.0 | v Tripura | Eden Gardens | 8 Apr 2007 | Twenty20 | |
| 4 wickets | 6 | 180 | 19.0 | v Punjab | Rajkot | 23 Nov 2024 | Twenty20 | |
| 5 wickets | 5 | 178 | 19.1 | v Jharkhand | Eden Gardens | 5 Feb 2017 | Twenty20 | |
| 6 wickets | 7 | 96 | 18.5 | v Tripura | Jamshedpur | 23 Oct 2011 | Twenty20 | |
| 6 wickets | 4 | 178 | 19.2 | v Jharkhand | Ranchi | 12 Jan 2018 | Twenty20 | |
| 6 wickets | 17 | 144 | 17.1 | v Assam | Ranchi | 16 Jan 2018 | Twenty20 | |
| 6 wickets | 11 | 143 | 18.1 | v Railways | Indore | 8 Mar 2019 | Twenty20 | |
| 6 wickets | 35 | 113 | 14.1 | v M. Pradesh | Mumbai | 15 Nov 2019 | Twenty20 | |
| 6 wickets | 10 | 158 | 18.2 | v Hyderabad | Eden Gardens | 14 Jan 2021 | Twenty20 | |
| 6 wickets | 49 | 128 | 11.5 | v Meghalaya | Rajkot | 1 Dec 2024 | Twenty20 | |
| 7 wickets | 13 | 159 | 17.5 | v Orissa | Eden Gardens | 7 Apr 2007 | Twenty20 | |
| 7 wickets | 8 | 158 | 18.4 | v Odisha | Ranchi | 8 Jan 2018 | Twenty20 | |
| 7 wickets | 22 | 130 | 16.2 | v Tamil Nadu | Kolkata | 24 Jan 2018 | Twenty20 | |
| 7 wickets | 10 | 122 | 18.2 | v Gujarat | Indore | 12 Mar 2019 | Twenty20 | |
| 7 wickets | 18 | 119 | 17.0 | v Chhattisgarh | Guwahati | 4 Nov 2021 | Twenty20 | |
| 7 wickets | 12 | 135 | 18.0 | v Karnataka | Guwahati | 9 Nov 2021 | Twenty20 | |
| 7 wickets | 9 | 154 | 18.3 | v Rajasthan | Rajkot | 5 Dec 2024 | Twenty20 | |
| 8 wickets | 19 | 100 | 16.5 | v Assam | Cuttack | 20 Oct 2010 | Twenty20 | |
| 8 wickets | 19 | 105 | 16.5 | v Tripura | Agartala | 20 Mar 2013 | Twenty20 | |
| 8 wickets | 11 | 153 | 18.1 | v Jharkhand | Eden Gardens | 3 Apr 2014 | Twenty20 | |
| 8 wickets | 44 | 109 | 12.4 | v Odisha | Cuttack | 2 Mar 2019 | Twenty20 | |
| 8 wickets | 42 | 127 | 13.0 | v Jharkhand | Indore | 10 Mar 2019 | Twenty20 | |
| 8 wickets | 19 | 141 | 16.5 | v Assam | Wankhede | 18 Nov 2019 | Twenty20 | |
| 8 wickets | 33 | 87 | 14.3 | v Odisha | Lucknow | 14 Oct 2022 | Twenty20 | |
| 8 wickets | 16 | 162 | 17.2 | v Uttarakhand | Mohali | 23 Oct 2023 | Twenty20 | |
| 8 wickets | 13 | 138 | 17.5 | v Hyderabad | Rajkot | 25 Nov 2024 | Twenty20 | |
| 8 wickets | 27 | 158 | 15.3 | v Mizoram | Saurashtra | 27 Nov 2024 | Twenty20 | |
| 9 wickets | 12 | 170 | 18.0 | v Tripura | Ranchi | 14 Jan 2018 | Twenty20 | |
| 9 wickets | 60 | 80 | 10.0 | v Mizoram | Mumbai | 9 Nov 2019 | Twenty20 | |
| 9 wickets | 46 | 114 | 12.2 | v Odisha | Jadavpur Uni | 10 Jan 2021 | Twenty20 | |
| 9 wickets | 55 | 91 | 10.5 | v Services | Guwahati | 8 Nov 2021 | Twenty20 | |
| 9 wickets | 36 | 148 | 14.0 | v Bihar | Saurashtra | 3 Dec 2024 | Twenty20 | |
| 10 wickets | 24 | 147 | 16.0 | v Assam | Eden Gardens | 1 Feb 2017 | Twenty20 |
By balls remaining in the second innings
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 6 wickets | 4 | 178 | 19.2 | 20.0 | v Jharkhand | Ranchi | 12 Jan 2018 | Twenty20 | |
| 5 wickets | 5 | 178 | 19.1 | 20.0 | v Jharkhand | Eden Gardens | 5 Feb 2017 | Twenty20 | |
| 3 wickets | 6 | 142 | 19.0 | 20.0 | v Haryana | Cuttack | 24 Feb 2019 | Twenty20 | |
| 4 wickets | 6 | 180 | 19.0 | 20.0 | v Punjab | Rajkot | 23 Nov 2024 | Twenty20 | |
| 6 wickets | 7 | 96 | 18.5 | 20.0 | v Tripura | Jamshedpur | 23 Oct 2011 | Twenty20 | |
| 7 wickets | 8 | 158 | 18.4 | 20.0 | v Odisha | Ranchi | 8 Jan 2018 | Twenty20 | |
| 7 wickets | 9 | 154 | 18.3 | 20.0 | v Rajasthan | Rajkot | 5 Dec 2024 | Twenty20 | |
| 7 wickets | 10 | 122 | 18.2 | 20.0 | v Gujarat | Indore | 12 Mar 2019 | Twenty20 | |
| 6 wickets | 10 | 158 | 18.2 | 20.0 | v Hyderabad | Eden Gardens | 14 Jan 2021 | Twenty20 | |
| 8 wickets | 11 | 153 | 18.1 | 20.0 | v Jharkhand | Eden Gardens | 3 Apr 2014 | Twenty20 | |
| 6 wickets | 11 | 143 | 18.1 | 20.0 | v Railways | Indore | 8 Mar 2019 | Twenty20 | |
| 4 wickets | 12 | 134 | 18.0 | 20.0 | v Tripura | Eden Gardens | 8 Apr 2007 | Twenty20 | |
| 9 wickets | 12 | 170 | 18.0 | 20.0 | v Tripura | Ranchi | 14 Jan 2018 | Twenty20 | |
| 7 wickets | 12 | 135 | 18.0 | 20.0 | v Karnataka | Guwahati | 9 Nov 2021 | Twenty20 | |
| 7 wickets | 13 | 159 | 17.5 | 20.0 | v Orissa | Eden Gardens | 7 Apr 2007 | Twenty20 | |
| 8 wickets | 13 | 138 | 17.5 | 20.0 | v Hyderabad | Rajkot | 25 Nov 2024 | Twenty20 | |
| 8 wickets | 16 | 162 | 17.2 | 20.0 | v Uttarakhand | Mohali | 23 Oct 2023 | Twenty20 | |
| 6 wickets | 17 | 144 | 17.1 | 20.0 | v Assam | Ranchi | 16 Jan 2018 | Twenty20 | |
| 7 wickets | 18 | 119 | 17.0 | 20.0 | v Chhattisgarh | Guwahati | 4 Nov 2021 | Twenty20 | |
| 8 wickets | 19 | 100 | 16.5 | 20.0 | v Assam | Cuttack | 20 Oct 2010 | Twenty20 | |
| 8 wickets | 19 | 105 | 16.5 | 20.0 | v Tripura | Agartala | 20 Mar 2013 | Twenty20 | |
| 8 wickets | 19 | 141 | 16.5 | 20.0 | v Assam | Wankhede | 18 Nov 2019 | Twenty20 | |
| 7 wickets | 22 | 130 | 16.2 | 20.0 | v Tamil Nadu | Kolkata | 24 Jan 2018 | Twenty20 | |
| 10 wickets | 24 | 147 | 16.0 | 20.0 | v Assam | Eden Gardens | 1 Feb 2017 | Twenty20 | |
| 8 wickets | 27 | 158 | 15.3 | 20.0 | v Mizoram | Saurashtra | 27 Nov 2024 | Twenty20 | |
| 8 wickets | 33 | 87 | 14.3 | 20.0 | v Odisha | Lucknow | 14 Oct 2022 | Twenty20 | |
| 6 wickets | 35 | 113 | 14.1 | 20.0 | v M. Pradesh | Mumbai | 15 Nov 2019 | Twenty20 | |
| 9 wickets | 36 | 148 | 14.0 | 20.0 | v Bihar | Saurashtra | 3 Dec 2024 | Twenty20 | |
| 8 wickets | 42 | 127 | 13.0 | 20.0 | v Jharkhand | Indore | 10 Mar 2019 | Twenty20 | |
| 8 wickets | 44 | 109 | 12.4 | 20.0 | v Odisha | Cuttack | 2 Mar 2019 | Twenty20 | |
| 9 wickets | 46 | 114 | 12.2 | 20.0 | v Odisha | Jadavpur Uni | 10 Jan 2021 | Twenty20 | |
| 6 wickets | 49 | 128 | 11.5 | 20.0 | v Meghalaya | Rajkot | 1 Dec 2024 | Twenty20 | |
| 9 wickets | 55 | 91 | 10.5 | 20.0 | v Services | Guwahati | 8 Nov 2021 | Twenty20 | |
| 9 wickets | 60 | 80 | 10.0 | 20.0 | v Mizoram | Mumbai | 9 Nov 2019 | Twenty20 |
Tied matches
Team 1 | Team 2 | Ground | Match Date | Scorecard |
| Bengal | Karnataka | Arun Jaitley Stadium, Delhi | 18 Nov 2021 | Twenty20 |
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Records includes the following current or recent matches:
Zimbabwe Under-19s vs Bangladesh Under-19s at Harare, Tri-Nation Under-19s Tournament in Zimbabwe 6th Match, Aug 1, 2025 [Youth ODI # 1575]
Bangladesh Under-19s vs South Africa Under-19s at Harare, Tri-Nation Under-19s Tournament in Zimbabwe 5th Match, Jul 31, 2025 [Youth ODI # 1574]
Warwickshire Women vs Surrey Women at Birmingham, Women's One-Day Cup 40th Match, Jul 30, 2025 [Other OD]