| Date | Tournament | State | Round | Wynne Davidson | Muriel Retford |
|---|---|---|---|---|---|
| 13/10/1996 | Rockingham | WA | 1 | 260 | 379 |
| 13/06/1999 | Advanced Intermediate Recreation | WA | 5 | 372 | 305 |
| 17/10/2004 | Rockingham | WA | 1 | 329 | 302 |
| 05/02/2006 | Fremantle | WA | 2 | 321 | 331 |
| 21/05/2006 | Melville | WA | 7 | 339 | 350 |
| 19/11/2006 | Coogee | WA | 5 | 370 | 305 |
| 07/03/2007 | Mandurah | WA | 5 | 271 | 330 |
| 21/10/2007 | Rockingham | WA | 2 | 399 | 360 |
| 16/08/2009 | ROCKINGHAM 2009 | WA | 7 | 308 | 343 |
| 20/09/2009 | YOKINE 2009 | WA | 3 | 376 | 361 |
| Head-to-head after 10 games | 5 | 5 | |||
| Average score | 334.50 | 336.60 | |||
| Spread | -21 | 21 | |||