| Tournament | Round | Marge Roberts | Judy Brealey |
| 13.02.2000 Fremantle (WA) | 1 | 457 | 206 |
| 25.06.2000 Advanced Intermediate Recreation (WA) | 5 | 301 | 395 |
| 10.02.2002 Fremantle (WA) | 4 | 294 | 426 |
| 08.12.2002 Marathon (WA) | 9 | 374 | 391 |
| 16.03.2003 Bunbury (WA) | 5 | 338 | 288 |
| 31.08.2003 Yokine (WA) | 7 | 351 | 341 |
| 19.06.2004 Western Australian Championships (WA) | 5 | 332 | 401 |
| 02.10.2004 Manjimup Warmup (WA) | 4 | 358 | 351 |
| 03.10.2004 Manjimup (WA) | 4 | 280 | 322 |
| 31.10.2005 Coogee (WA) | 1 | 339 | 370 |
| Head-to-head after 10 games | 4 | 6 | |
| Average score | 342.4 | 349.1 | |
| Spread: | -67 | 67 | |