| Tournament | Round | Maureen Gill | Bertha Williams |
| 17.10.1999 Rockingham (WA) | 5 | 364 | 338 |
| 28.05.2000 Melville (WA) | 2 | 307 | 378 |
| 10.06.2001 Advanced Intermediate Recreation (WA) | 6 | 321 | 303 |
| 11.11.2001 Coogee (WA) | 4 | 287 | 349 |
| 14.07.2002 Bassendean (WA) | 6 | 417 | 294 |
| Head-to-head after 5 games | 3 | 2 | |
| Average score | 339.2 | 332.4 | |
| Spread: | 34 | -34 | |