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