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