| Date | Tournament | State | Round | Bertha Williams | Betty Ralph |
|---|---|---|---|---|---|
| 31/05/1998 | Melville | WA | 3 | 272 | 311 |
| 14/02/1999 | Fremantle | WA | 2 | 294 | 299 |
| 13/06/1999 | Advanced Intermediate Recreation | WA | 5 | 335 | 325 |
| 08/07/2001 | Bassendean | WA | 6 | 318 | 317 |
| 12/08/2001 | Yokine | WA | 3 | 257 | 395 |
| Head-to-head after 5 games | 2 | 3 | |||
| Average score | 295.20 | 329.40 | |||
| Spread | -171 | 171 | |||