| Tournament | Round | Marilyn Mackie | Flo Tiplady |
| 03.10.1999 Yokine (WA) | 4 | 348 | 368 |
| 17.10.1999 Rockingham (WA) | 3 | 316 | 357 |
| 13.02.2000 Fremantle (WA) | 5 | 358 | 349 |
| 28.05.2000 Melville (WA) | 4 | 313 | 313 |
| Head-to-head after 4 games | 1.5 | 2.5 | |
| Average score | 333.75 | 346.75 | |
| Spread: | -52 | 52 | |