| Tournament | Round | Nigel Wilkinson | Gillian Briggs |
| 21.03.1999 March (SA) | 1 | 346 | 359 |
| 22.08.1999 August (SA) | 6 | 299 | 342 |
| 24.10.1999 October (SA) | 5 | 357 | 355 |
| 21.11.1999 November (SA) | 3 | 372 | 424 |
| 24.07.2000 July (SA) | 3 | 301 | 415 |
| 23.03.2001 South Australian Championships (SA) | 10 | 308 | 344 |
| 27.05.2001 May (SA) | 5 | 285 | 404 |
| 16.09.2001 September (SA) | 6 | 286 | 405 |
| 10.02.2002 February (SA) | 3 | 376 | 358 |
| 13.09.2003 Southern Tournament (SA) | 4 | 390 | 360 |
| 20.11.2005 November (SA) | 1 | 429 | 405 |
| 12.03.2006 South Australian Championships (SA) | 14 | 360 | 379 |
| 17.04.2006 Australian Championships (QLD) | 17 | 287 | 333 |
| 17.06.2006 SA June Tournament (SA) | 1 | 312 | 403 |
| 10.09.2006 September Tournament (SA) | 6 | 321 | 355 |
| 22.10.2006 October Tournament (SA) | 1 | 306 | 376 |
| 28.12.2006 Christmas Leftovers PM (SA) | 3 | 280 | 404 |
| 04.02.2007 SA February Tournament (SA) | 1 | 365 | 427 |
| 20.10.2007 SA October Tournament (SA) | 1 | 256 | 419 |
| 03.02.2008 SA February Tournament (SA) | 4 | 348 | 464 |
| 28.12.08 SA Leftovers (SA) | 4 | 320 | 312 |
| 14.11.2009 Southern Tournament (SA) | 1 | 273 | 460 |
| Head-to-head after 22 games | 5 | 17 | |
| Average score | 326.22 | 386.5 | |