| Tournament | Round | Marilyn Mackie | Sandra Morgan |
| 12.07.1998 WA Masters (WA) | 13 | 316 | 502 |
| 30.08.1998 Yokine (WA) | 1 | 382 | 290 |
| 11.07.1999 Western Australian Masters (WA) | 5 | 350 | 376 |
| 04.02.2001 Fremantle (WA) | 4 | 342 | 340 |
| 10.03.2002 Bunbury (WA) | 1 | 276 | 471 |
| 30.03.2003 Praxis (WA) | 7 | 307 | 388 |
| Head-to-head after 6 games | 2 | 4 | |
| Average score | 328.83 | 394.5 | |
| Spread: | -394 | 394 | |