| Tournament | Round | Heather Sorensen | Ivana Duria |
| 09.11.2002 Sydney (NSW) | 5 | 358 | 356 |
| 24.03.2003 Blue Mountains (NSW) | 2 | 335 | 283 |
| 05.04.2003 Blacktown (NSW) | 6 | 316 | 333 |
| 19.06.2004 Wollongong Marj Babb (NSW) | 7 | 346 | 299 |
| 10.07.2004 Winter Challenge (NSW) | 12 | 405 | 397 |
| 16.07.2005 Winter Challenge (NSW) | 3 | 388 | 365 |
| 03.10.2005 New South Wales Championships (NSW) | 18 | 389 | 368 |
| 19.08.2006 Revesby (NSW) | 3 | 384 | 318 |
| 06.07.2008 Winter Challenge (NSW) | 15 | 377 | 378 |
| 05.07.2009 Winter Challenge (NSW) | 16 | 379 | 422 |
| 05.10.2009 NSW CHAMPIONSHIPS (NSW) | 11 | 322 | 324 |
| 05.10.2009 NSW CHAMPIONSHIPS (NSW) | 17 | 303 | 366 |
| Head-to-head after 12 games | 7 | 5 | |
| Average score | 358.5 | 350.75 | |
| Spread: | 93 | -93 | |