| Tournament | Round | Marjorie Giffen | Karen Richards |
| 07.10.2012 Cairns Oktoberfest Sun (QLD) | 5 | 385 | 393 |
| 08.10.2012 Cairns Oktoberfest Mon (QLD) | 4 | 257 | 428 |
| 06.12.2020 Southport (QLD) | 1 | 373 | 400 |
| 06.12.2020 Southport (QLD) | 1 | 373 | 400 |
| Head-to-head after 4 games | 0 | 4 | |
| Average score | 347 | 405.25 | |
| Spread: | -233 | 233 | |