| Tournament | Round | Natalie Tadday | Heather Sorensen |
| 13.02.1999 Wollongong (NSW) | 3 | 353 | 368 |
| 19.10.2002 Blacktown (NSW) | 2 | 407 | 303 |
| 10.07.2004 Winter Challenge (NSW) | 3 | 384 | 319 |
| 04.10.2008 NSW CHAMPIONSHIPS 08 (NSW) | 10 | 373 | 383 |
| 04.10.2008 NSW CHAMPIONSHIPS 08 (NSW) | 18 | 379 | 458 |
| 23.07.2011 ACT AGM TOURNAMENT (ACT) | 6 | 406 | 291 |
| 10.12.2016 Bundanoon (NSW) | 1 | 339 | 351 |
| Head-to-head after 7 games | 3 | 4 | |
| Average score | 377.28 | 353.28 | |
| Spread: | 168 | -168 | |