| Tournament | Round | Marg Harris-Walker | Janine Whittaker |
| 20.11.2011 CENTRAL COAST Two Days (NSW) | 1 | 349 | 398 |
| 03.10.2016 NSW Championships (NSW) | 5 | 369 | 371 |
| 03.10.2016 NSW Championships (NSW) | 17 | 272 | 409 |
| 02.10.2017 NSW CHAMPS (NSW) | 16 | 324 | 385 |
| Head-to-head after 4 games | 0 | 4 | |
| Average score | 328.5 | 390.75 | |
| Spread: | -249 | 249 | |