| Date | Tournament | State | Round | Bertha Williams | Joy Wright |
|---|---|---|---|---|---|
| 30/05/1999 | Melville | WA | 6 | 346 | 362 |
| 08/08/1999 | Bassendean | WA | 3 | 328 | 362 |
| 19/09/1999 | Spring Subiaco | WA | 5 | 298 | 297 |
| 03/10/1999 | Yokine | WA | 4 | 294 | 291 |
| 13/02/2000 | Fremantle | WA | 6 | 381 | 345 |
| Head-to-head after 5 games | 3 | 2 | |||
| Average score | 329.40 | 331.40 | |||
| Spread | -10 | 10 | |||