Smallest victories by Wayamba in T20s
By runs
Winner | Margin | Balls Rem | Target | Overs | Opposition | Ground | Match Date | Scorecard |
| 3 runs | 0 | 128 | 20.0 | v Kandurata | Colombo (Colts) | 21 Apr 2008 | Twenty20 | |
| 7 runs | 0 | 126 | 20.0 | v Kandurata | Kurunegala | 30 Apr 2008 | Twenty20 | |
| 15 runs | 0 | 119 | 20.0 | v Victoria | Delhi | 13 Oct 2009 | Twenty20 | |
| 27 runs | 0 | 42 | 6.3 | v Schls Inv XI | Colombo (Colts) | 24 Apr 2008 | Twenty20 | |
| 27 runs | 0 | 182 | 20.0 | v Kandurata | Galle | 4 Mar 2010 | Twenty20 | |
| 29 runs | 0 | 157 | 16.1 | v Basnahira N | Colombo (Colts) | 29 Mar 2009 | Twenty20 | |
| 31 runs | 0 | 175 | 19.1 | v Ruhuna | Kurunegala | 1 May 2008 | Twenty20 | |
| 74 runs | 0 | 145 | 15.3 | v Central D | Gqeberha | 22 Sep 2010 | Twenty20 | |
| 95 runs | 0 | 209 | 13.2 | v Ruhuna | Moratuwa | 7 Mar 2010 | Twenty20 |
By wickets
Winner | Margin | Balls Rem | Target | Overs | Opposition | Ground | Match Date | Scorecard |
| 1 wicket | 2 | 119 | 19.4 | v Basnahira S | Colombo (Colts) | 23 Apr 2008 | Twenty20 | |
| 4 wickets | 25 | 121 | 15.5 | v Schls Inv XI | Colombo (Moors) | 26 Mar 2009 | Twenty20 | |
| 4 wickets | 27 | 144 | 15.3 | v Basnahira S | Pallekele | 24 Feb 2010 | Twenty20 | |
| 4 wickets | 0 | 161 | 20.0 | v Basnahira N | Kurunegala | 28 Feb 2010 | Twenty20 | |
| 5 wickets | 5 | 159 | 19.1 | v Basnahira N | Colombo (Colts) | 17 Apr 2008 | Twenty20 | |
| 5 wickets | 17 | 128 | 17.1 | v Ruhuna | Colombo (SSC) | 28 Mar 2009 | Twenty20 | |
| 5 wickets | 6 | 145 | 19.0 | v Basnahira S | Colombo (SSC) | 5 Apr 2009 | Twenty20 | |
| 5 wickets | 11 | 128 | 18.1 | v Ruhuna | Kurunegala | 27 Feb 2010 | Twenty20 | |
| 6 wickets | 33 | 79 | 14.3 | v Kandurata | Colombo (SSC) | 31 Mar 2009 | Twenty20 | |
| 7 wickets | 9 | 144 | 18.3 | v SLC Comb XI | Kandy | 25 Feb 2010 | Twenty20 | |
| 7 wickets | 16 | 151 | 17.2 | v Ruhuna | Colombo (RPS) | 23 Jul 2011 | Twenty20 | |
| 9 wickets | 39 | 118 | 13.3 | v Basnahira S | Moratuwa | 6 Mar 2010 | Twenty20 |
By balls remaining in the second innings
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 4 wickets | 0 | 161 | 20.0 | 20.0 | v Basnahira N | Kurunegala | 28 Feb 2010 | Twenty20 | |
| 1 wicket | 2 | 119 | 19.4 | 20.0 | v Basnahira S | Colombo (Colts) | 23 Apr 2008 | Twenty20 | |
| 5 wickets | 5 | 159 | 19.1 | 20.0 | v Basnahira N | Colombo (Colts) | 17 Apr 2008 | Twenty20 | |
| 5 wickets | 6 | 145 | 19.0 | 20.0 | v Basnahira S | Colombo (SSC) | 5 Apr 2009 | Twenty20 | |
| 7 wickets | 9 | 144 | 18.3 | 20.0 | v SLC Comb XI | Kandy | 25 Feb 2010 | Twenty20 | |
| 5 wickets | 11 | 128 | 18.1 | 20.0 | v Ruhuna | Kurunegala | 27 Feb 2010 | Twenty20 | |
| 7 wickets | 16 | 151 | 17.2 | 20.0 | v Ruhuna | Colombo (RPS) | 23 Jul 2011 | Twenty20 | |
| 5 wickets | 17 | 128 | 17.1 | 20.0 | v Ruhuna | Colombo (SSC) | 28 Mar 2009 | Twenty20 | |
| 4 wickets | 25 | 121 | 15.5 | 20.0 | v Schls Inv XI | Colombo (Moors) | 26 Mar 2009 | Twenty20 | |
| 4 wickets | 27 | 144 | 15.3 | 20.0 | v Basnahira S | Pallekele | 24 Feb 2010 | Twenty20 | |
| 6 wickets | 33 | 79 | 14.3 | 20.0 | v Kandurata | Colombo (SSC) | 31 Mar 2009 | Twenty20 | |
| 9 wickets | 39 | 118 | 13.3 | 20.0 | v Basnahira S | 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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