| Tournament | Round | George Khamis | Joan Buchanan |
| 19.10.2002 Blacktown (NSW) | 6 | 535 | 279 |
| 22.05.2005 Ulladulla (NSW) | 10 | 379 | 375 |
| 17.06.2006 Wollongong Marj Babb (NSW) | 4 | 315 | 374 |
| 17.02.2007 Wollongong (NSW) | 7 | 382 | 375 |
| 15.07.2007 Winter Challenge (NSW) | 2 | 415 | 278 |
| 15.07.2007 Winter Challenge (NSW) | 15 | 362 | 398 |
| 03.08.2008 Southern Tablelands Challenge (NSW) | 11 | 419 | 387 |
| 04.07.2010 Winter Challenge (NSW) | 10 | 473 | 317 |
| 04.07.2010 Winter Challenge (NSW) | 15 | 326 | 284 |
| Head-to-head after 9 games | 7 | 2 | |
| Average score | 400.66 | 340.77 | |
| Spread: | 539 | -539 | |