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