| Tournament | Round | Marg Harris-Walker | Sharon Sorensen |
| 05.10.2015 NSW Championships (NSW) | 15 | 282 | 350 |
| 02.10.2017 NSW CHAMPS (NSW) | 1 | 340 | 376 |
| 02.10.2017 NSW CHAMPS (NSW) | 15 | 247 | 455 |
| 01.10.2018 NSW Champs (NSW) | 11 | 300 | 390 |
| Head-to-head after 4 games | 0 | 4 | |
| Average score | 292.25 | 392.75 | |
| Spread: | -402 | 402 | |