| Tournament | Round | Dave Langley | Dawn Lawrie |
| 21.11.2004 Hamersley (WA) | 3 | 322 | 369 |
| 10.07.2005 Bassendean (WA) | 7 | 289 | 353 |
| 04.06.2007 Western Australian Championships C & D (WA) | 5 | 295 | 372 |
| Head-to-head after 3 games | 0 | 3 | |
| Average score | 302 | 364.66 | |
| Spread: | -188 | 188 | |