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