| Tournament | Round | Marge Roberts | Valerie Beck |
| 04.06.2007 Western Australian Championships C & D (WA) | 8 | 334 | 365 |
| 01.06.2008 WA Championships (WA) | 17 | 383 | 364 |
| 16.08.2009 ROCKINGHAM 2009 (WA) | 2 | 216 | 498 |
| Head-to-head after 3 games | 1 | 2 | |
| Average score | 311 | 409 | |
| Spread: | -294 | 294 | |