| Tournament | Round | Michael Vnuk | Gillian Briggs |
| 29.12.2004 Xmas Leftovers (SA) | 7 | 389 | 385 |
| 24.09.2006 Australian Masters and State Challenge Trophy (NSW) | 9 | 363 | 347 |
| 28.12.2006 Christmas Leftovers PM (SA) | 4 | 438 | 310 |
| 28.12.2007 SA Christmas Leftovers (SA) | 6 | 344 | 326 |
| 09.03.2008 South Australian Championships (SA) | 6 | 468 | 367 |
| 09.03.2008 South Australian Championships (SA) | 13 | 408 | 403 |
| 12.04.2008SA April (SA) | 1 | 323 | 309 |
| 23.11.2008 SA November (SA) | 1 | 454 | 353 |
| 28.12.08 SA Leftovers (SA) | 5 | 515 | 307 |
| 07.03.2009 South Australian Championships (SA) | 8 | 357 | 379 |
| 22.11.2009 November SA (SA) | 1 | 431 | 377 |
| 28.12.2010 Xmas Leftovers (SA) | 5 | 467 | 377 |
| 22.05.2011 SA May (SA) | 3 | 480 | 378 |
| Head-to-head after 13 games | 12 | 1 | |
| Average score | 418.23 | 355.23 | |
| Spread: | 819 | -819 | |