| Tournament | Round | Dave Langley | Dorothy Kent |
| 01.08.2004 Winter Marathon (WA) | 5 | 338 | 353 |
| 01.08.2004 Winter Marathon (WA) | 10 | 364 | 242 |
| 10.07.2005 Bassendean (WA) | 6 | 322 | 342 |
| 21.08.2005 Yokine (WA) | 5 | 344 | 387 |
| 04.12.2005 Summer Marathon (WA) | 8 | 476 | 342 |
| 04.06.2006 Western Australian Championships (WA) | 5 | 332 | 379 |
| 30.07.2006 WA Winter Marathon (WA) | 5 | 346 | 335 |
| 30.07.2006 WA Winter Marathon (WA) | 8 | 278 | 368 |
| 04.06.2007 Western Australian Championships C & D (WA) | 3 | 363 | 292 |
| Head-to-head after 9 games | 4 | 5 | |
| Average score | 351.44 | 337.77 | |
| Spread: | 123 | -123 | |