| Tournament | 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 | 329.4 | 331.4 | |
| Spread: | -10 | 10 | |