| Tournament | Round | George Khamis | Arlene Williams |
| 07.07.2012 WINTER CHALLENGE (NSW) | 4 | 339 | 328 |
| 27.01.2014 City of Sydney International Masters (NSW) | 19 | 419 | 387 |
| 13.11.2016 ACT Championships (ACT) | 5 | 371 | 373 |
| 13.11.2016 ACT Championships (ACT) | 9 | 414 | 386 |
| 29.01.2017 City of Sydney International Masters (NSW) | 4 | 336 | 437 |
| 29.01.2017 City of Sydney International Masters (NSW) | 15 | 468 | 253 |
| 11.02.2017 WORDS Feb (NSW) | 7 | 271 | 386 |
| 11.03.2017 Bomaderry (NSW) | 4 | 397 | 378 |
| 15.07.2018 Winter Challenge (NSW) | 6 | 426 | 376 |
| Head-to-head after 9 games | 6 | 3 | |
| Average score | 382.33 | 367.11 | |
| Spread: | 137 | -137 | |