| Tournament | 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 | |