| Date | Tournament | State | 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 | 311.00 | 409.00 | |||
| Spread | -294 | 294 | |||