| Date | Tournament | State | Round | Dawn Peos | Bertha Williams |
|---|---|---|---|---|---|
| 25/04/1999 | Nedlands | WA | 1 | 320 | 275 |
| 03/10/1999 | Yokine | WA | 6 | 321 | 387 |
| 27/05/2001 | Melville | WA | 6 | 387 | 350 |
| 21/10/2001 | Rockingham | WA | 3 | 364 | 293 |
| Head-to-head after 4 games | 3 | 1 | |||
| Average score | 348.00 | 326.25 | |||
| Spread | 87 | -87 | |||