| Tournament | Round | Marge Roberts | Dawn Lawrie |
| 19.06.2004 Western Australian Championships (WA) | 7 | 293 | 395 |
| 15.05.2005 Melville (WA) | 5 | 265 | 448 |
| 25.09.2005 Manjimup Standard (WA) | 6 | 280 | 402 |
| 01.06.2008 WA Championships (WA) | 4 | 333 | 366 |
| 01.06.2008 WA Championships (WA) | 11 | 287 | 336 |
| Head-to-head after 5 games | 0 | 5 | |
| Average score | 291.6 | 389.4 | |
| Spread: | -489 | 489 | |