| Tournament | Round | Marilyn Mackie | Carol Harrison |
| 12.07.1998 WA Masters (WA) | 8 | 378 | 289 |
| 13.06.1999 Advanced Intermediate Recreation (WA) | 1 | 334 | 451 |
| 19.09.1999 Spring Subiaco (WA) | 1 | 343 | 383 |
| 17.10.1999 Rockingham (WA) | 5 | 273 | 429 |
| 30.05.2004 Melville (WA) | 6 | 299 | 339 |
| Head-to-head after 5 games | 1 | 4 | |
| Average score | 325.39 | 378.2 | |
| Spread: | -264 | 264 | |