| Tournament | Round | Judy Hay | Heather Sorensen |
| 24.11.2002 ACT Championships (ACT) | 2 | 360 | 247 |
| 06.10.2003 NSW Championships (NSW) | 8 | 364 | 369 |
| 20.05.2007 Ulladulla 2007 (NSW) | 1 | 376 | 291 |
| 20.05.2007 Ulladulla 2007 (NSW) | 14 | 379 | 335 |
| 01.10.2007 New South Wales Champs (NSW) | 9 | 419 | 343 |
| 18.05.2008 Ulladulla (NSW) | 1 | 376 | 371 |
| 18.05.2008 Ulladulla (NSW) | 14 | 379 | 390 |
| 06.07.2008 Winter Challenge (NSW) | 11 | 401 | 361 |
| 06.07.2008 Winter Challenge (NSW) | 13 | 317 | 395 |
| 15.11.2008 ACT Champs (ACT) | 3 | 509 | 236 |
| 03.01.2009 Janboree (NSW) | 7 | 392 | 292 |
| 05.01.2014 Janboree (NSW) | 1 | 412 | 293 |
| 05.01.2014 Janboree (NSW) | 9 | 351 | 445 |
| 18.01.2014 Sutherland Shire (NSW) | 8 | 386 | 356 |
| Head-to-head after 14 games | 10 | 4 | |
| Average score | 387.21 | 337.42 | |
| Spread: | 697 | -697 | |