Largest margins by Innings, runs & wickets for Sri Lanka Domestic T20 - vs Sri Lanka Navy Sports Club
By runs
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 107 runs | 0 | 204 | 18.3 | 20.0 | v SL Navy | Colombo (Burgher) | 27 Feb 2018 | Twenty20 | |
| 90 runs | 0 | 157 | 13.2 | 20.0 | v SL Navy | Colombo (Bloomfield) | 16 Feb 2019 | Twenty20 | |
| 69 runs | 0 | 216 | 20.0 | 20.0 | v SL Navy | Colombo (NCC) | 14 Mar 2021 | Twenty20 | |
| 63 runs | 0 | 164 | 14.5 | 20.0 | v SL Navy | Katunayake | 24 Feb 2018 | Twenty20 | |
| 61 runs | 0 | 173 | 19.0 | 20.0 | v SL Navy | Katunayake | 8 Jan 2020 | Twenty20 | |
| 55 runs | 0 | 152 | 16.4 | 20.0 | v SL Navy | Colombo (Moors) | 29 Mar 2012 | Twenty20 | |
| 55 runs | 0 | 154 | 20.0 | 20.0 | v SL Navy | Colombo (CCC) | 4 Jan 2020 | Twenty20 | |
| 28 runs | 0 | 144 | 18.3 | 20.0 | v SL Navy | Colombo (PSS) | 12 Mar 2021 | Twenty20 | |
| 15 runs | 0 | 136 | 18.4 | 20.0 | v SL Navy | Katunayake | 21 Feb 2019 | Twenty20 | |
| 1 run | 0 | 137 | 20.0 | 20.0 | v SL Navy | Colombo | 28 Mar 2012 | Twenty20 |
By wickets
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 9 wickets | 50 | 86 | 11.4 | 20.0 | v SL Navy | Katunayake | 6 Mar 2021 | Twenty20 | |
| 8 wickets | 21 | 127 | 16.3 | 20.0 | v SL Navy | Colombo (RPS) | 30 Mar 2012 | Twenty20 | |
| 8 wickets | 37 | 86 | 13.5 | 20.0 | v SL Navy | Colombo (NCC) | 1 Mar 2018 | Twenty20 | |
| 7 wickets | 22 | 107 | 16.2 | 20.0 | v SL Navy | Colombo (Burgher) | 10 Jan 2020 | Twenty20 | |
| 6 wickets | 40 | 130 | 13.2 | 20.0 | v SL Navy | Colombo (Burgher) | 12 Jan 2020 | Twenty20 | |
| 5 wickets | 47 | 93 | 12.1 | 20.0 | v SL Navy | Colombo | 27 Mar 2012 | Twenty20 | |
| 4 wickets | 14 | 88 | 17.4 | 20.0 | v SL Navy | Colombo (NCC) | 4 Mar 2021 | Twenty20 | |
| 3 wickets | 20 | 89 | 16.4 | 20.0 | v SL Navy | Moratuwa | 6 Jan 2020 | Twenty20 |
By balls remaining in the second innings
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 9 wickets | 50 | 86 | 11.4 | 20.0 | v SL Navy | Katunayake | 6 Mar 2021 | Twenty20 | |
| 5 wickets | 47 | 93 | 12.1 | 20.0 | v SL Navy | Colombo | 27 Mar 2012 | Twenty20 | |
| 6 wickets | 40 | 130 | 13.2 | 20.0 | v SL Navy | Colombo (Burgher) | 12 Jan 2020 | Twenty20 | |
| 8 wickets | 37 | 86 | 13.5 | 20.0 | v SL Navy | Colombo (NCC) | 1 Mar 2018 | Twenty20 | |
| 7 wickets | 22 | 107 | 16.2 | 20.0 | v SL Navy | Colombo (Burgher) | 10 Jan 2020 | Twenty20 | |
| 8 wickets | 21 | 127 | 16.3 | 20.0 | v SL Navy | Colombo (RPS) | 30 Mar 2012 | Twenty20 | |
| 3 wickets | 20 | 89 | 16.4 | 20.0 | v SL Navy | Moratuwa | 6 Jan 2020 | Twenty20 | |
| 4 wickets | 14 | 88 | 17.4 | 20.0 | v SL Navy | Colombo (NCC) | 4 Mar 2021 | Twenty20 | |
| 5 wickets | 4 | 159 | 19.2 | 20.0 | v SL Navy | Colombo (CCC) | 18 Feb 2019 | Twenty20 |
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