| Tournament | Round | Marilyn Mackie | Anne Stewart |
| 18.10.1998 Rockingham (WA) | 6 | 353 | 441 |
| 15.11.2000 Coogee (WA) | 5 | 370 | 414 |
| 24.03.2002 WA Marathon (WA) | 3 | 381 | 320 |
| 24.03.2002 WA Marathon (WA) | 8 | 318 | 304 |
| 10.02.2002 Fremantle (WA) | 6 | 324 | 412 |
| 31.05.2003 Western Australian Championships (WA) | 18 | 337 | 443 |
| Head-to-head after 6 games | 2 | 4 | |
| Average score | 347.16 | 389 | |
| Spread: | -251 | 251 | |