| Tournament | Round | Dave Langley | Chris Dyson |
| 01.08.2004 Winter Marathon (WA) | 1 | 350 | 267 |
| 01.08.2004 Winter Marathon (WA) | 6 | 402 | 297 |
| 19.06.2005 Hamersley (WA) | 1 | 314 | 312 |
| 04.12.2005 Summer Marathon (WA) | 7 | 298 | 446 |
| 25.04.2006 Anzac Maximin (WA) | 7 | 367 | 350 |
| 03.08.2008 AUGUST 2008 OPEN (WA) | 7 | 316 | 396 |
| Head-to-head after 6 games | 4 | 2 | |
| Average score | 341.16 | 344.66 | |
| Spread: | -21 | 21 | |