Largest margins by Innings, runs & wickets for Twenty-20 Tournament, 2004
By runs
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 103 runs | 0 | 228 | 12.5 | 20.0 | v Colts CC | Colombo (RPS) | 3 Sep 2004 | Twenty20 | |
| 88 runs | 0 | 199 | 17.3 | 20.0 | v Galle CC | Colombo (Police) | 17 Aug 2004 | Twenty20 | |
| 85 runs | 0 | 201 | 16.0 | 20.0 | v Panadura | Colombo (Police) | 17 Aug 2004 | Twenty20 | |
| 76 runs | 0 | 167 | 14.3 | 20.0 | v Sebast CAC | Colombo (Colts) | 17 Aug 2004 | Twenty20 | |
| 58 runs | 0 | 172 | 18.5 | 20.0 | v Burgher | Colombo (RPS) | 3 Sep 2004 | Twenty20 | |
| 17 runs | 0 | 165 | 20.0 | 20.0 | v Tamil Union | Colombo (Moors) | 17 Aug 2004 | Twenty20 | |
| 15 runs | 0 | 126 | 20.0 | 20.0 | v Ragama CC | Colombo (NCC) | 17 Aug 2004 | Twenty20 | |
| 9 runs | 0 | 130 | 19.2 | 20.0 | v Moors | Colombo (RPS) | 2 Sep 2004 | Twenty20 | |
| 1 run | 0 | 184 | 20.0 | 20.0 | v Bloomfield | Colombo (RPS) | 3 Sep 2004 | Twenty20 |
By wickets
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 8 wickets | 35 | 103 | 14.1 | 20.0 | v Air Force SC | Colombo (Moors) | 17 Aug 2004 | Twenty20 | |
| 6 wickets | 20 | 134 | 16.4 | 20.0 | v Police SC | Colombo (Colts) | 17 Aug 2004 | Twenty20 | |
| 5 wickets | 12 | 121 | 18.0 | 20.0 | v Kurunegala | Colombo (RPS) | 2 Sep 2004 | Twenty20 | |
| 5 wickets | 14 | 115 | 17.4 | 20.0 | v Colombo CC | Colombo (RPS) | 2 Sep 2004 | Twenty20 |
By balls remaining in the second innings
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 8 wickets | 35 | 103 | 14.1 | 20.0 | v Air Force SC | Colombo (Moors) | 17 Aug 2004 | Twenty20 | |
| 6 wickets | 20 | 134 | 16.4 | 20.0 | v Police SC | Colombo (Colts) | 17 Aug 2004 | Twenty20 | |
| 5 wickets | 14 | 115 | 17.4 | 20.0 | v Colombo CC | Colombo (RPS) | 2 Sep 2004 | Twenty20 | |
| 5 wickets | 12 | 121 | 18.0 | 20.0 | v Kurunegala | Colombo (RPS) | 2 Sep 2004 | Twenty20 | |
| 4 wickets | 4 | 135 | 19.2 | 20.0 | v Nondescripts | Colombo (RPS) | 2 Sep 2004 | Twenty20 | |
| 3 wickets | 3 | 135 | 19.3 | 20.0 | v Sinhalese | Colombo (NCC) | 17 Aug 2004 | Twenty20 |
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