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