Largest margins by Innings, runs & wickets for Sri Lanka Domestic T20 - vs Galle Cricket Club
By runs
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 137 runs | 0 | 198 | 12.4 | 20.0 | v Galle CC | Colombo (Police) | 25 Feb 2018 | Twenty20 | |
| 100 runs | 0 | 207 | 20.0 | 20.0 | v Galle CC | Colombo (Burgher) | 15 Jan 2020 | Twenty20 | |
| 88 runs | 0 | 199 | 17.3 | 20.0 | v Galle CC | Colombo (Police) | 17 Aug 2004 | Twenty20 | |
| 66 runs | 0 | 221 | 20.0 | 20.0 | v Galle CC | Colombo (PSS) | 5 Jan 2016 | Twenty20 | |
| 61 runs | 0 | 207 | 20.0 | 20.0 | v Galle CC | Colombo (CCC) | 18 Feb 2019 | Twenty20 | |
| 47 runs | 0 | 94 | 11.0 | 11.0 | v Galle CC | Colombo (SSC) | 6 Mar 2021 | Twenty20 | |
| 24 runs | 0 | 156 | 19.4 | 20.0 | v Galle CC | Colombo (PSS) | 4 Jan 2020 | Twenty20 | |
| 19 runs | 0 | 140 | 20.0 | 20.0 | v Galle CC | Colombo (PSS) | 21 Jan 2016 | Twenty20 | |
| 16 runs | 0 | 178 | 20.0 | 20.0 | v Galle CC | Colombo (Colts) | 13 Jan 2016 | Twenty20 | |
| 14 runs | 0 | 141 | 20.0 | 20.0 | v Galle CC | Colombo (CCC) | 16 Oct 2005 | Twenty20 | |
| 2 runs | 0 | 71 | 9.0 | 9.0 | v Galle CC | Colombo (RPS) | 6 Jan 2016 | Twenty20 | |
| 2 runs | 0 | 150 | 20.0 | 20.0 | v Galle CC | Colombo (Burgher) | 6 Jan 2020 | Twenty20 |
By wickets
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 8 wickets | 77 | 76 | 7.1 | 20.0 | v Galle CC | Colombo (SSC) | 4 Mar 2021 | Twenty20 | |
| 6 wickets | 10 | 148 | 18.2 | 20.0 | v Galle CC | Colombo (PSS) | 12 Jan 2016 | Twenty20 | |
| 5 wickets | 38 | 65 | 13.4 | 20.0 | v Galle CC | Colombo (Burgher) | 1 Mar 2018 | Twenty20 | |
| 5 wickets | 10 | 131 | 18.2 | 20.0 | v Galle CC | Moratuwa | 14 Jan 2020 | Twenty20 | |
| 5 wickets | 25 | 115 | 15.5 | 20.0 | v Galle CC | Colombo (PSS) | 7 Mar 2021 | Twenty20 | |
| 4 wickets | 13 | 145 | 17.5 | 20.0 | v Galle CC | Panagoda | 24 Feb 2018 | Twenty20 |
By balls remaining in the second innings
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 8 wickets | 77 | 76 | 7.1 | 20.0 | v Galle CC | Colombo (SSC) | 4 Mar 2021 | Twenty20 | |
| 5 wickets | 38 | 65 | 13.4 | 20.0 | v Galle CC | Colombo (Burgher) | 1 Mar 2018 | Twenty20 | |
| 5 wickets | 25 | 115 | 15.5 | 20.0 | v Galle CC | Colombo (PSS) | 7 Mar 2021 | Twenty20 | |
| 4 wickets | 13 | 145 | 17.5 | 20.0 | v Galle CC | Panagoda | 24 Feb 2018 | Twenty20 | |
| 6 wickets | 10 | 148 | 18.2 | 20.0 | v Galle CC | Colombo (PSS) | 12 Jan 2016 | Twenty20 | |
| 5 wickets | 10 | 131 | 18.2 | 20.0 | v Galle CC | Moratuwa | 14 Jan 2020 | Twenty20 | |
| 4 wickets | 8 | 132 | 18.4 | 20.0 | v Galle CC | Colombo (Colts) | 23 Feb 2019 | Twenty20 | |
| 3 wickets | 4 | 148 | 19.2 | 20.0 | v Galle CC | Colombo (Colts) | 20 Jan 2016 | Twenty20 |
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