| Tournament | Round | Carol Johnston | Marie Horn |
| 05.12.2010 Southport Sunday (QLD) | 5 | 410 | 306 |
| 25.11.2012 Southport (QLD) | 3 | 352 | 271 |
| 30.11.2013 Southport Saturday (QLD) | 1 | 348 | 333 |
| 01.12.2013 Southport Sunday (QLD) | 6 | 460 | 282 |
| 22.06.2014 Southport Winter (QLD) | 1 | 237 | 369 |
| 29.11.2015 Southport Summer (QLD) | 5 | 388 | 378 |
| Head-to-head after 6 games | 5 | 1 | |
| Average score | 365.83 | 323.16 | |
| Spread: | 256 | -256 | |