| Date | Tournament | State | Round | Marge Roberts | Beryl Bell |
|---|---|---|---|---|---|
| 26/04/1998 | Nedlands | WA | 4 | 335 | 328 |
| 20/09/1998 | Advanced Intermediate Recreation | WA | 4 | 235 | 334 |
| 18/10/1998 | Rockingham | WA | 4 | 252 | 349 |
| 14/02/1999 | Fremantle | WA | 2 | 334 | 279 |
| 31/05/2003 | Western Australian Championships | WA | 6 | 318 | 320 |
| 03/06/2013 | WA Championship | WA | 15 | 378 | 282 |
| 04/10/2015 | Rockingham | WA | 1 | 353 | 340 |
| 07/10/2018 | Rockingham | WA | 5 | 366 | 248 |
| 03/06/2019 | WA Championship | WA | 13 | 347 | 248 |
| Head-to-head after 9 games | 6 | 3 | |||
| Average score | 324.22 | 303.11 | |||
| Spread | 190 | -190 | |||