| Tournament | Round | Marg Harris-Walker | Arnold Appelhof |
| 28.08.2016 Queensland Championship (QLD) | 11 | 337 | 439 |
| 03.10.2016 NSW Championships (NSW) | 4 | 394 | 396 |
| 01.10.2018 NSW Champs (NSW) | 15 | 358 | 390 |
| 02.06.2019 Sunshine Coast (QLD) | 4 | 297 | 419 |
| Head-to-head after 4 games | 0 | 4 | |
| Average score | 346.5 | 411 | |
| Spread: | -258 | 258 | |