| Date | Tournament | State | Round | Muriel Retford | Marge Roberts |
|---|---|---|---|---|---|
| 30/05/1999 | Melville | WA | 2 | 391 | 289 |
| 08/10/2000 | Rockingham | WA | 5 | 283 | 394 |
| 31/10/2005 | Coogee | WA | 7 | 377 | 351 |
| 21/05/2006 | Melville | WA | 1 | 353 | 311 |
| 24/08/2008 | Rockingham | WA | 1 | 294 | 283 |
| Head-to-head after 5 games | 4 | 1 | |||
| Average score | 339.60 | 325.60 | |||
| Spread | 70 | -70 | |||