Largest margins by Innings, runs & wickets for State Twenty20, 2008/09
By runs
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 117 runs | 0 | 216 | 14.1 | 20.0 | v Wellington | Wellington | 6 Feb 2009 | Twenty20 | |
| 42 runs | 0 | 164 | 20.0 | 20.0 | v Auckland | Auckland | 22 Feb 2009 | Twenty20 | |
| 30 runs | 0 | 223 | 20.0 | 20.0 | v Canterbury | Dunedin | 4 Feb 2009 | Twenty20 | |
| 23 runs | 0 | 207 | 20.0 | 20.0 | v Central D | New Plymouth | 8 Feb 2009 | Twenty20 | |
| 21 runs | 0 | 192 | 20.0 | 20.0 | v Northern Dis | Dunedin | 15 Feb 2009 | Twenty20 | |
| 19 runs | 0 | 83 | 10.0 | 10.0 | v Central D | Napier | 4 Feb 2009 | Twenty20 | |
| 13 runs | 0 | 149 | 19.1 | 20.0 | v Central D | Christchurch | 15 Feb 2009 | Twenty20 | |
| 3 runs | 0 | 143 | 20.0 | 20.0 | v Otago | Dunedin | 13 Feb 2009 | Twenty20 | |
| 2 runs | 0 | 173 | 20.0 | 20.0 | v Northern Dis | Hamilton | 11 Feb 2009 | Twenty20 |
By wickets
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 7 wickets | 21 | 111 | 16.3 | 20.0 | v Northern Dis | Mt Maunganui | 22 Feb 2009 | Twenty20 | |
| 6 wickets | 16 | 164 | 17.2 | 20.0 | v Northern Dis | Wellington | 8 Feb 2009 | Twenty20 | |
| 6 wickets | 11 | 127 | 18.1 | 20.0 | v Canterbury | Christchurch | 13 Feb 2009 | Twenty20 |
By balls remaining in the second innings
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 7 wickets | 21 | 111 | 16.3 | 20.0 | v Northern Dis | Mt Maunganui | 22 Feb 2009 | Twenty20 | |
| 6 wickets | 16 | 164 | 17.2 | 20.0 | v Northern Dis | Wellington | 8 Feb 2009 | Twenty20 | |
| 6 wickets | 11 | 127 | 18.1 | 20.0 | v Canterbury | Christchurch | 13 Feb 2009 | Twenty20 | |
| 4 wickets | 9 | 120 | 18.3 | 20.0 | v Northern Dis | Christchurch | 6 Feb 2009 | Twenty20 | |
| 3 wickets | 9 | 145 | 18.3 | 20.0 | v Central D | Palmerston North | 22 Feb 2009 | Twenty20 | |
| 5 wickets | 8 | 150 | 18.4 | 20.0 | v Northern Dis | Auckland | 4 Feb 2009 | Twenty20 | |
| 6 wickets | 7 | 186 | 18.5 | 20.0 | v Central D | New Plymouth | 6 Feb 2009 | Twenty20 | |
| 5 wickets | 6 | 186 | 19.0 | 20.0 | v Central D | Dunedin | 18 Feb 2009 | Twenty20 | |
| 5 wickets | 4 | 146 | 19.2 | 20.0 | v Wellington | Wellington | 18 Feb 2009 | Twenty20 | |
| 3 wickets | 1 | 129 | 19.5 | 20.0 | v Wellington | Auckland | 15 Feb 2009 | Twenty20 | |
| 2 wickets | 0 | 160 | 20.0 | 20.0 | v Auckland | Auckland | 8 Feb 2009 | Twenty20 |
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