| Tournament | Round | Carol Johnston | Erica Williams |
| 17.04.2006 Australian Championships (QLD) | 4 | 306 | 439 |
| 10.06.2007 Toowoomba (QLD) | 4 | 359 | 310 |
| 05.08.2007 Magnetic Island Sunday (QLD) | 5 | 285 | 374 |
| 04.05.2008 Queensland Championships (QLD) | 9 | 269 | 404 |
| 31.07.2011 Townsville Sunday (QLD) | 7 | 323 | 380 |
| 01.04.2013 Australian Championship (QLD) | 3 | 367 | 381 |
| Head-to-head after 6 games | 1 | 5 | |
| Average score | 318.16 | 381.33 | |
| Spread: | -379 | 379 | |