| Tournament | Round | Heather Sorensen | Merriss Adler |
| 09.08.1998 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 2 | 301 | 389 |
| 09.08.1998 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 12 | 351 | 338 |
| 13.02.1999 Wollongong (NSW) | 2 | 321 | 305 |
| 07.05.2000 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 2 | 314 | 314 |
| 21.05.2000 Ulladulla (NSW) | 3 | 373 | 272 |
| 21.05.2000 Ulladulla (NSW) | 14 | 297 | 308 |
| 06.05.2001 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 3 | 399 | 241 |
| 09.12.2001 ACT Championships (ACT) | 7 | 388 | 255 |
| 05.05.2002 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 9 | 306 | 356 |
| Head-to-head after 9 games | 5.5 | 3.5 | |
| Average score | 338.88 | 308.66 | |
| Spread: | 272 | -272 | |