| Tournament | Round | Marg Harris-Walker | Betty Foreman |
| 21.04.2014 Australian Championship (NSW) | 13 | 323 | 384 |
| 05.10.2015 NSW Championships (NSW) | 11 | 274 | 392 |
| 01.10.2018 NSW Champs (NSW) | 20 | 356 | 377 |
| Head-to-head after 3 games | 0 | 3 | |
| Average score | 317.66 | 384.33 | |
| Spread: | -200 | 200 | |