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