| Date | Tournament | State | 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 | 422.30 | 318.20 | |||
| Spread | 1041 | -1041 | |||