Largest margins by Innings, runs & wickets for Sri Lanka Domestic T20 - Ragama Cricket Club
By runs
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 111 runs | 0 | 238 | 16.1 | 20.0 | v Saracens | Colombo (Colts) | 4 Mar 2007 | Twenty20 | |
| 73 runs | 0 | 185 | 14.3 | 20.0 | v Kurunegala | Colombo (Burgher) | 19 Feb 2019 | Twenty20 | |
| 66 runs | 0 | 135 | 12.1 | 20.0 | v Tamil Union | Colombo (Colts) | 4 Apr 2015 | Twenty20 | |
| 58 runs | 0 | 166 | 14.2 | 20.0 | v Nondescripts | Colombo (Bloomfield) | 1 Mar 2018 | Twenty20 | |
| 48 runs | 0 | 153 | 19.1 | 20.0 | v Air Force SC | Colombo (Burgher) | 18 Feb 2019 | Twenty20 | |
| 31 runs | 0 | 124 | 18.3 | 20.0 | v Colombo CC | Colombo (PSS) | 15 Jan 2020 | Twenty20 | |
| 11 runs | 0 | 162 | 19.2 | 20.0 | v Bloomfield | Colombo (Colts) | 5 Jan 2016 | Twenty20 | |
| 10 runs | 0 | 161 | 18.3 | 20.0 | v SL Army | Katunayake | 21 Feb 2019 | Twenty20 | |
| 2 runs | 0 | 104 | 19.1 | 20.0 | v Sinhalese | Colombo (CCC) | 1 Mar 2007 | Twenty20 | |
| 2 runs | 0 | 71 | 9.0 | 9.0 | v Galle CC | Colombo (RPS) | 6 Jan 2016 | Twenty20 |
By wickets
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 9 wickets | 11 | 127 | 18.1 | 20.0 | v SLPACC | Katunayake | 4 Jan 2020 | Twenty20 | |
| 8 wickets | 63 | 78 | 9.3 | 20.0 | v Nugegoda SWC | Colombo (PSS) | 10 Jan 2020 | Twenty20 | |
| 8 wickets | 61 | 70 | 9.5 | 20.0 | v Sebast CAC | Colombo (PSS) | 5 Mar 2021 | Twenty20 | |
| 7 wickets | 28 | 178 | 15.2 | 20.0 | v Bloomfield | Colombo (Colts) | 27 Mar 2012 | Twenty20 | |
| 7 wickets | 17 | 91 | 15.1 | 18.0 | v SL Army | Colombo (Colts) | 8 Apr 2015 | Twenty20 | |
| 7 wickets | 59 | 55 | 10.1 | 20.0 | v KTC | Colombo (Burgher) | 25 Feb 2018 | Twenty20 | |
| 6 wickets | 30 | 133 | 15.0 | 20.0 | v Lankan CC | Colombo (SSC) | 15 Oct 2005 | Twenty20 | |
| 6 wickets | 29 | 99 | 12.1 | 17.0 | v Chilaw CC | Colombo (Colts) | 28 Mar 2012 | Twenty20 | |
| 6 wickets | 12 | 136 | 18.0 | 20.0 | v Lankan CC | Colombo (PSS) | 14 Jan 2020 | Twenty20 | |
| 5 wickets | 14 | 109 | 17.4 | 20.0 | v Burgher | Colombo (Colts) | 8 Jan 2020 | Twenty20 | |
| 4 wickets | 11 | 134 | 18.1 | 20.0 | v Police SC | Colombo (CCC) | 2 Mar 2018 | Twenty20 | |
| 4 wickets | 14 | 88 | 17.4 | 20.0 | v SL Navy | Colombo (NCC) | 4 Mar 2021 | Twenty20 | |
| 1 wicket | 10 | 149 | 18.2 | 20.0 | v SL Army | Colombo (SSC) | 29 Mar 2012 | Twenty20 |
By balls remaining in the second innings
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 8 wickets | 63 | 78 | 9.3 | 20.0 | v Nugegoda SWC | Colombo (PSS) | 10 Jan 2020 | Twenty20 | |
| 8 wickets | 61 | 70 | 9.5 | 20.0 | v Sebast CAC | Colombo (PSS) | 5 Mar 2021 | Twenty20 | |
| 7 wickets | 59 | 55 | 10.1 | 20.0 | v KTC | Colombo (Burgher) | 25 Feb 2018 | Twenty20 | |
| 6 wickets | 30 | 133 | 15.0 | 20.0 | v Lankan CC | Colombo (SSC) | 15 Oct 2005 | Twenty20 | |
| 6 wickets | 29 | 99 | 12.1 | 17.0 | v Chilaw CC | Colombo (Colts) | 28 Mar 2012 | Twenty20 | |
| 7 wickets | 28 | 178 | 15.2 | 20.0 | v Bloomfield | Colombo (Colts) | 27 Mar 2012 | Twenty20 | |
| 7 wickets | 17 | 91 | 15.1 | 18.0 | v SL Army | Colombo (Colts) | 8 Apr 2015 | Twenty20 | |
| 5 wickets | 14 | 109 | 17.4 | 20.0 | v Burgher | Colombo (Colts) | 8 Jan 2020 | Twenty20 | |
| 4 wickets | 14 | 88 | 17.4 | 20.0 | v SL Navy | Colombo (NCC) | 4 Mar 2021 | Twenty20 | |
| 6 wickets | 12 | 136 | 18.0 | 20.0 | v Lankan CC | Colombo (PSS) | 14 Jan 2020 | Twenty20 | |
| 4 wickets | 11 | 134 | 18.1 | 20.0 | v Police SC | Colombo (CCC) | 2 Mar 2018 | Twenty20 | |
| 9 wickets | 11 | 127 | 18.1 | 20.0 | v SLPACC | Katunayake | 4 Jan 2020 | Twenty20 | |
| 1 wicket | 10 | 149 | 18.2 | 20.0 | v SL Army | Colombo (SSC) | 29 Mar 2012 | Twenty20 | |
| 6 wickets | 9 | 149 | 18.3 | 20.0 | v Tamil Union | Colombo (CCC) | 3 Mar 2007 | Twenty20 | |
| 5 wickets | 6 | 163 | 19.0 | 20.0 | v Colts CC | Katunayake | 17 Jan 2020 | Twenty20 | |
| 3 wickets | 5 | 159 | 19.1 | 20.0 | v Moors | Colombo (Colts) | 30 Oct 2005 | Twenty20 | |
| 2 wickets | 5 | 132 | 19.1 | 20.0 | v Nondescripts | Colombo (CCC) | 2 Mar 2007 | Twenty20 | |
| 4 wickets | 5 | 183 | 19.1 | 20.0 | v Burgher | Colombo (Colts) | 24 Feb 2018 | Twenty20 | |
| 6 wickets | 4 | 117 | 19.2 | 20.0 | v Saracens | Colombo (NCC) | 13 Mar 2021 | Twenty20 | |
| 7 wickets | 1 | 109 | 19.5 | 20.0 | v Kandy CCC | Colombo (CCC) | 6 Jan 2020 | Twenty20 | |
| 2 wickets | 0 | 164 | 20.0 | 20.0 | v SLPACC | Colombo (Bloomfield) | 16 Feb 2019 | Twenty20 | |
| 2 wickets | 0 | 119 | 20.0 | 20.0 | v Tamil Union | Colombo (NCC) | 7 Mar 2021 | Twenty20 |
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