| Tournament | Round | Chris Dyson | Wynne Davidson |
| 24.04.2005 Anzac Maximin (WA) | 1 | 341 | 345 |
| 06.06.2005 Western Australian Championships (WA) | 6 | 355 | 333 |
| 06.06.2005 Western Australian Championships (WA) | 12 | 257 | 396 |
| 09.04.2006 Nedlands (WA) | 2 | 322 | 361 |
| 04.06.2006 Western Australian Championships (WA) | 2 | 318 | 295 |
| 04.06.2006 Western Australian Championships (WA) | 8 | 291 | 387 |
| 22.10.2006 Rockingham (WA) | 4 | 417 | 294 |
| 01.04.2007 Nedlands (WA) | 3 | 312 | 349 |
| 04.06.2007 Western Australian Championships C & D (WA) | 5 | 319 | 376 |
| 23.09.2007 Maximin (WA) | 7 | 262 | 364 |
| 21.10.2007 Rockingham (WA) | 5 | 287 | 369 |
| 04.11.2007 Coogee 2007 (WA) | 1 | 250 | 351 |
| 02.12.2007 December Marathon 2007 (WA) | 4 | 303 | 335 |
| 13.01.2008 Maximin (WA) | 2 | 319 | 309 |
| 16.08.2009 ROCKINGHAM 2009 (WA) | 3 | 332 | 288 |
| 20.09.2009 YOKINE 2009 (WA) | 1 | 317 | 360 |
| 11.10.2009 Spring Maximin (WA) | 6 | 281 | 366 |
| 19.09.2010 YOKINE 2010 (WA) | 6 | 370 | 328 |
| Head-to-head after 18 games | 6 | 12 | |
| Average score | 314.05 | 344.77 | |
| Spread: | -553 | 553 | |