| Date | Tournament | State | Round | Marge Roberts | Dave Langley |
|---|---|---|---|---|---|
| 21/05/2006 | Melville | WA | 3 | 346 | 356 |
| 04/06/2006 | Western Australian Championships | WA | 6 | 367 | 356 |
| 04/06/2006 | Western Australian Championships | WA | 8 | 248 | 426 |
| 04/06/2007 | Western Australian Championships C & D | WA | 1 | 299 | 382 |
| Head-to-head after 4 games | 1 | 3 | |||
| Average score | 315.00 | 380.00 | |||
| Spread | -260 | 260 | |||