| Tournament | Round | Heather Sorensen | Margaret Andrews |
| 17.05.1998 Ulladulla (NSW) | 6 | 300 | 407 |
| 28.05.2006 Ulladulla Championship (NSW) | 13 | 339 | 358 |
| 17.06.2006 Wollongong Marj Babb (NSW) | 7 | 346 | 411 |
| 06.01.2007 Janboree (NSW) | 7 | 334 | 332 |
| 01.10.2007 New South Wales Champs (NSW) | 13 | 351 | 406 |
| 18.05.2008 Ulladulla (NSW) | 5 | 392 | 305 |
| 17.08.2008 Wollongong WY Fundrais (NSW) | 7 | 413 | 368 |
| 04.10.2008 NSW CHAMPIONSHIPS 08 (NSW) | 9 | 394 | 348 |
| 03.01.2009 Janboree (NSW) | 3 | 360 | 332 |
| 05.07.2009 Winter Challenge (NSW) | 13 | 281 | 308 |
| 05.10.2009 NSW CHAMPIONSHIPS (NSW) | 7 | 310 | 403 |
| 05.10.2009 NSW CHAMPIONSHIPS (NSW) | 14 | 346 | 336 |
| 05.01.2014 Janboree (NSW) | 4 | 326 | 341 |
| Head-to-head after 13 games | 6 | 7 | |
| Average score | 345.53 | 358.07 | |
| Spread: | -163 | 163 | |