| Tournament | Round | Julie Belle | John Barker |
| 05.04.2010 Aus Championship (SA) | 7 | 347 | 382 |
| 01.04.2013 Australian Championship (QLD) | 12 | 361 | 399 |
| 06.04.2015 Australian Championship (VIC) | 22 | 273 | 362 |
| 28.03.2016 Australian Championship (SA) | 20 | 434 | 369 |
| 02.04.2018 2018 National Championship (ACT) | 21 | 326 | 480 |
| 22.04.2019 2019 Australian Championship (TAS) | 23 | 461 | 391 |
| Head-to-head after 6 games | 2 | 4 | |
| Average score | 367 | 397.16 | |
| Spread: | -181 | 181 | |