| Tournament | Round | Patti Ashwin | Carol Johnston |
| 02.08.2009 Townsville Sunday (QLD) | 2 | 403 | 362 |
| 01.04.2013 Australian Championship (QLD) | 15 | 463 | 290 |
| 29.09.2018 Magnetic Is Sat (QLD) | 1 | 352 | 408 |
| 30.09.2018 Magnetic Is Sun (QLD) | 5 | 403 | 410 |
| 14.10.2018 Mid-October Madness (QLD) | 5 | 393 | 352 |
| 02.06.2019 Sunshine Coast (QLD) | 15 | 434 | 254 |
| 21.07.2019 QAH July (QLD) | 2 | 416 | 277 |
| 06.10.2019 Oktoberfest (QLD) | 3 | 535 | 273 |
| 07.03.2021 March Madness (QLD) | 3 | 455 | 306 |
| 02.05.2021 May Day (QLD) | 1 | 369 | 250 |
| Head-to-head after 10 games | 8 | 2 | |
| Average score | 422.3 | 318.2 | |
| Spread: | 1041 | -1041 | |