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