| Tournament | Round | Margaret Wilton | Dave Langley |
| 05.12.2004 Summer Marathon (WA) | 3 | 321 | 321 |
| 05.12.2004 Summer Marathon (WA) | 8 | 251 | 285 |
| 06.02.2005 Fremantle (WA) | 6 | 282 | 378 |
| 10.04.2005 Nedlands (WA) | 5 | 357 | 382 |
| Head-to-head after 4 games | 0.5 | 3.5 | |
| Average score | 302.75 | 341.5 | |
| Spread: | -155 | 155 | |