| Tournament | Round | Brenda Osler | Maureen Gardner |
| 09.04.2005 Coorparoo (QLD) | 6 | 438 | 349 |
| 03.07.2005 Coominya (QLD) | 3 | 294 | 375 |
| 21.08.2005 Queensland Championships (QLD) | 6 | 312 | 351 |
| 22.10.2005 Mindbenders Open (QLD) | 5 | 297 | 418 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 335.25 | 373.25 | |
| Spread: | -152 | 152 | |