| Tournament | Round | Julie Gardiner | John Barker |
| 23.08.1998 Queensland Championships (QLD) | 10 | 370 | 437 |
| 21.08.1999 Queensland Championships (QLD) | 6 | 529 | 314 |
| 29.08.2009 Qld Champs Sat (QLD) | 4 | 341 | 405 |
| 29.08.2010 Qld Championships (QLD) | 5 | 432 | 381 |
| 29.08.2010 Qld Championships (QLD) | 9 | 356 | 367 |
| 01.04.2013 Australian Championship (QLD) | 7 | 457 | 413 |
| Head-to-head after 6 games | 3 | 3 | |
| Average score | 414.16 | 386.16 | |
| Spread: | 168 | -168 | |