| Tournament | Round | Marge Roberts | Eileen Moyle |
| 19.09.1999 Spring Subiaco (WA) | 5 | 356 | 342 |
| 06.06.2005 Western Australian Championships (WA) | 1 | 407 | 257 |
| 06.06.2005 Western Australian Championships (WA) | 15 | 385 | 268 |
| Head-to-head after 3 games | 3 | 0 | |
| Average score | 382.66 | 289 | |
| Spread: | 281 | -281 | |