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