| Tournament | Round | Dianne Davis | Marilyn Smith |
| 12.04.2004 Australian Championships (ACT) | 9 | 470 | 278 |
| 17.04.2006 Australian Championships (QLD) | 17 | 416 | 340 |
| 09.04.2007 Australian Championships (NSW) | 14 | 318 | 434 |
| Head-to-head after 3 games | 2 | 1 | |
| Average score | 401.33 | 350.66 | |
| Spread: | 152 | -152 | |