| Tournament | Round | George Khamis | Vicki Underhill |
| 07.06.2003 Woy Woy (NSW) | 6 | 385 | 305 |
| 02.10.2006 New South Wales Championships (NSW) | 18 | 401 | 408 |
| 17.03.2007 Wyong (NSW) | 1 | 334 | 365 |
| 15.07.2007 Winter Challenge (NSW) | 4 | 339 | 282 |
| 01.10.2007 New South Wales Champs (NSW) | 23 | 333 | 324 |
| 02.03.2008 Balmain BUGS (NSW) | 7 | 325 | 335 |
| Head-to-head after 6 games | 3 | 3 | |
| Average score | 352.83 | 336.5 | |
| Spread: | 98 | -98 | |