| Tournament | Round | Carol Johnston | Kathleen Maher |
| 06.08.2006 Camp Duckadang (QLD) | 5 | 302 | 329 |
| 08.06.2008 Woomba Wound Wobins (QLD) | 5 | 331 | 355 |
| 08.06.2008 Woomba Wound Wobins (QLD) | 10 | 331 | 366 |
| 08.06.2008 Woomba Wound Wobins (QLD) | 15 | 362 | 262 |
| 12.06.2011 Woomba Wound Wobins (QLD) | 7 | 327 | 304 |
| 11.06.2012 Woomba Wound Wobins (QLD) | 1 | 343 | 347 |
| 11.06.2012 Woomba Wound Wobins (QLD) | 7 | 276 | 358 |
| 21.09.2014 Toowoomba (QLD) | 4 | 253 | 361 |
| 26.07.2015 Coominya (QLD) | 7 | 321 | 408 |
| 18.09.2016 Toowoomba Spring (QLD) | 2 | 402 | 369 |
| 18.05.2019 Toowoomba May (QLD) | 3 | 380 | 251 |
| Head-to-head after 11 games | 4 | 7 | |
| Average score | 329.81 | 337.27 | |
| Spread: | -82 | 82 | |