| Tournament | Round | George Khamis | Tony Williams |
| 26.06.2010 ACT Winter Open (ACT) | 4 | 377 | 371 |
| 16.01.2011 Yearly Nearly Early (NSW) | 7 | 426 | 275 |
| 11.02.2012 WORDS SUMMER (NSW) | 3 | 489 | 321 |
| 07.07.2012 WINTER CHALLENGE (NSW) | 6 | 424 | 328 |
| 07.07.2012 WINTER CHALLENGE (NSW) | 13 | 384 | 402 |
| 27.01.2014 City of Sydney International Masters (NSW) | 22 | 379 | 360 |
| 29.01.2017 City of Sydney International Masters (NSW) | 2 | 401 | 355 |
| 24.02.2018 Bomaderry (NSW) | 3 | 412 | 380 |
| Head-to-head after 8 games | 7 | 1 | |
| Average score | 411.5 | 349 | |
| Spread: | 500 | -500 | |