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