| Tournament | Round | Ivy Nicholls | Maureen Harris |
| 23.01.2005 Ulverstone (TAS) | 11 | 374 | 362 |
| 05.03.2006 Beaconsfield (TAS) | 7 | 337 | 283 |
| 05.02.2012 Ulverstone (TAS) | 12 | 305 | 319 |
| 25.11.2012 Tas State Champs (TAS) | 2 | 431 | 345 |
| 16.03.2013 Kingston Saturday (TAS) | 1 | 431 | 229 |
| 29.06.2013 Bellerive (TAS) | 8 | 380 | 341 |
| 10.11.2013 Tasmanian Championship (TAS) | 13 | 371 | 314 |
| Head-to-head after 7 games | 6 | 1 | |
| Average score | 375.57 | 313.28 | |
| Spread: | 436 | -436 | |