| Tournament | Round | Annette Nienaber | Colleen McCormick |
| 30.08.1998 Yokine (WA) | 6 | 277 | 400 |
| 13.02.2000 Fremantle (WA) | 3 | 376 | 424 |
| 10.09.2000 Yokine (WA) | 3 | 416 | 406 |
| 08.07.2001 Bassendean (WA) | 6 | 357 | 370 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 356.5 | 400 | |
| Spread: | -174 | 174 | |