| Tournament | Round | Marg Harris-Walker | Arie Holla |
| 02.02.2014 Kempsey (NSW) | 5 | 410 | 251 |
| 02.10.2017 NSW CHAMPS (NSW) | 11 | 396 | 254 |
| 02.10.2017 NSW CHAMPS (NSW) | 20 | 347 | 371 |
| 01.10.2018 NSW Champs (NSW) | 16 | 395 | 332 |
| 01.10.2018 NSW Champs (NSW) | 23 | 364 | 328 |
| Head-to-head after 5 games | 4 | 1 | |
| Average score | 382.4 | 307.2 | |
| Spread: | 376 | -376 | |