| Tournament | Round | Brenda Osler | Carol Johnston |
| 22.08.2004 Queensland Championships (QLD) | 13 | 337 | 268 |
| 12.11.2005 Cleveland (QLD) | 4 | 281 | 333 |
| 11.03.2006 Redland Bay (QLD) | 3 | 336 | 308 |
| 21.05.2006 May-Larkey Coorparoo (QLD) | 2 | 312 | 295 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 316.5 | 301 | |
| Spread: | 62 | -62 | |