| 91 runs | v Auckland Women | Village Green, Christchurch | 2010/11 | wtt433 |
| 77 runs | v Central Districts Women | Cornwall Park, Hastings | 2011/12 | wtt731 |
| 76 runs | v Otago Women | Molyneux Park, Alexandra | 2023/24 | wtt6873 |
| 64 runs | v Central Districts Women | Hagley Oval, Christchurch | 2018/19 | wtt3535 |
| 61 runs | v Wellington Women | Village Green, Christchurch | 2007/08 | wtt33 |
| 53 runs | v Northern Districts Women | Hagley Oval, Christchurch | 2020/21 | wtt4601 |