| Tournament | Round | George Khamis | Therese Nichols |
| 08.01.2011 Janboree (NSW) | 3 | 361 | 354 |
| 07.07.2012 WINTER CHALLENGE (NSW) | 9 | 314 | 449 |
| 14.10.2017 Spring Marathon (NSW) | 1 | 340 | 375 |
| 13.10.2018 Spring Marathon (NSW) | 11 | 384 | 378 |
| 15.12.2018 Bundanoon (NSW) | 2 | 331 | 410 |
| Head-to-head after 5 games | 2 | 3 | |
| Average score | 346 | 393.2 | |
| Spread: | -236 | 236 | |