| Tournament | Round | John Barker | Dianne Gibson |
| 13.06.2005 Victorian Championships (VIC) | 2 | 361 | 334 |
| 10.06.2006 vic06 3 DAY (VIC) | 12 | 269 | 443 |
| 05.04.2010 Aus Championship (SA) | 8 | 361 | 355 |
| 21.04.2014 Australian Championship (NSW) | 6 | 337 | 323 |
| 09.06.2014 Vic Champs (VIC) | 13 | 425 | 292 |
| 08.06.2015 Vic Championship (VIC) | 11 | 291 | 438 |
| Head-to-head after 6 games | 4 | 2 | |
| Average score | 340.66 | 364.16 | |
| Spread: | -141 | 141 | |