| Tournament | Round | Ivy Nicholls | Katie Rowe |
| 31.10.2004 Tasmanian Championships (TAS) | 5 | 272 | 418 |
| 06.03.2005 Beaconsfield (TAS) | 13 | 444 | 310 |
| 15.05.2005 East Coast (TAS) | 6 | 357 | 387 |
| 22.01.2006 Ulverstone (TAS) | 9 | 489 | 300 |
| 05.03.2006 Beaconsfield (TAS) | 3 | 421 | 328 |
| 14.05.2006 Scamander (TAS) | 7 | 331 | 364 |
| 29.10.2006 Tasmanian Championships (TAS) | 2 | 436 | 394 |
| 04.02.2007 Ulverstone (TAS) | 6 | 283 | 362 |
| 28.10.2007 Tasmanian Championships (TAS) | 8 | 353 | 423 |
| 08.02.2009 Ulverstone (TAS) | 3 | 354 | 370 |
| 21.03.2010 Kingston 1 (TAS) | 8 | 401 | 415 |
| 09.04.2012 Australian Championship (TAS) | 19 | 489 | 337 |
| 08.02.2014 Ulverstone Sat (TAS) | 3 | 384 | 407 |
| Head-to-head after 13 games | 5 | 8 | |
| Average score | 385.69 | 370.38 | |
| Spread: | 199 | -199 | |