| Tournament | Round | George Khamis | Susan Macgillivray |
| 23.10.1999 Spring Marathon (NSW) | 7 | 292 | 341 |
| 28.01.2018 City of Sydney International Masters (NSW) | 15 | 388 | 322 |
| 02.04.2018 2018 National Championship (ACT) | 10 | 380 | 427 |
| 13.05.2018 Tri-State 2018 (VIC) | 1 | 313 | 337 |
| 15.07.2018 Winter Challenge (NSW) | 14 | 373 | 306 |
| Head-to-head after 5 games | 2 | 3 | |
| Average score | 349.2 | 346.6 | |
| Spread: | 13 | -13 | |