Smallest victories For Sri Lanka Domestic T20 - Ruhuna
By runs
Winner | Margin | Balls Rem | Target | Overs | Opposition | Ground | Match Date | Scorecard |
| 1 run | 0 | 57 | 6.0 | v Kandurata | Colombo (Colts) | 17 Apr 2008 | Twenty20 | |
| 7 runs | 0 | 156 | 19.5 | v Kandurata | Colombo (RPS) | 30 Jul 2011 | Twenty20 | |
| 27 runs | 0 | 181 | 19.4 | v Basnahira N | Pallekele | 25 Feb 2010 | Twenty20 | |
| 40 runs | 0 | 155 | 20.0 | v Kandurata | Colombo (RPS) | 21 Jul 2011 | Twenty20 | |
| 51 runs | 0 | 204 | 19.1 | v Basnahira N | Colombo (Moors) | 26 Mar 2009 | Twenty20 | |
| 84 runs | 0 | 175 | 13.0 | v Comb Prov | Colombo (RPS) | 26 Jul 2011 | Twenty20 |
By wickets
Winner | Margin | Balls Rem | Target | Overs | Opposition | Ground | Match Date | Scorecard |
| 4 wickets | 7 | 165 | 18.5 | v Kandurata | Kurunegala | 28 Feb 2010 | Twenty20 | |
| 5 wickets | 27 | 114 | 15.3 | v Basnahira N | Kurunegala | 30 Apr 2008 | Twenty20 | |
| 7 wickets | 52 | 110 | 11.2 | v Basnahira S | Colombo (Colts) | 21 Apr 2008 | Twenty20 | |
| 7 wickets | 62 | 103 | 9.4 | v Kandurata | Moratuwa | 6 Mar 2010 | Twenty20 | |
| 8 wickets | 60 | 70 | 10.0 | v Wayamba | Colombo (Colts) | 18 Apr 2008 | Twenty20 | |
| 8 wickets | 50 | 127 | 11.4 | v Schls Inv XI | Colombo (Burgher) | 23 Apr 2008 | Twenty20 | |
| 8 wickets | 55 | 74 | 10.5 | v Schls Inv XI | Colombo (Moors) | 25 Mar 2009 | Twenty20 | |
| 9 wickets | 13 | 180 | 17.5 | v SLC Comb XI | Kandy | 24 Feb 2010 | Twenty20 |
By balls remaining in the second innings
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 4 wickets | 7 | 165 | 18.5 | 20.0 | v Kandurata | Kurunegala | 28 Feb 2010 | Twenty20 | |
| 9 wickets | 13 | 180 | 17.5 | 20.0 | v SLC Comb XI | Kandy | 24 Feb 2010 | Twenty20 | |
| 5 wickets | 27 | 114 | 15.3 | 20.0 | v Basnahira N | Kurunegala | 30 Apr 2008 | Twenty20 | |
| 8 wickets | 50 | 127 | 11.4 | 20.0 | v Schls Inv XI | Colombo (Burgher) | 23 Apr 2008 | Twenty20 | |
| 7 wickets | 52 | 110 | 11.2 | 20.0 | v Basnahira S | Colombo (Colts) | 21 Apr 2008 | Twenty20 | |
| 8 wickets | 55 | 74 | 10.5 | 20.0 | v Schls Inv XI | Colombo (Moors) | 25 Mar 2009 | Twenty20 | |
| 8 wickets | 60 | 70 | 10.0 | 20.0 | v Wayamba | Colombo (Colts) | 18 Apr 2008 | Twenty20 | |
| 7 wickets | 62 | 103 | 9.4 | 20.0 | v Kandurata | Moratuwa | 6 Mar 2010 | Twenty20 |
Tied matches
Team 1 | Team 2 | Ground | Match Date | Scorecard |
| Ruhuna | Wayamba | R.Premadasa Stadium, Khettarama, Colombo | 31 Jul 2011 | Twenty20 |
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