| 77 runs | by Canterbury Women | Cornwall Park, Hastings | 2011/12 | wtt728 |
| 72 runs | by Otago Women | McLean Park, Napier | 2019/20 | wtt4403 |
| 65 runs | by Wellington Women | Cello Basin Reserve, Wellington | 2021/22 | wtt4972 |
| 64 runs | by Canterbury Women | Hagley Oval, Christchurch | 2018/19 | wtt3530 |
| 51 runs | by Wellington Women | Cornwall Park, Hastings | 2013/14 | wtt1434 |
| 51 runs | by Wellington Women | Cornwall Park, Hastings | 2014/15 | wtt1737 |