| Tournament | Round | George Khamis | Richard Birch |
| 04.04.1998 Hassall Grove (NSW) | 4 | 226 | 404 |
| 30.08.1998 Baulkham Hills (NSW) | 1 | 308 | 431 |
| 27.08.2000 Baulkham Hills Open (NSW) | 3 | 256 | 403 |
| 07.03.2010 Balmain BUGS (NSW) | 6 | 393 | 424 |
| 08.01.2011 Janboree (NSW) | 7 | 369 | 373 |
| 29.01.2012 CITY OF SYDNEY MASTERS (NSW) | 14 | 341 | 440 |
| 16.08.2015 Hills (NSW) | 2 | 314 | 400 |
| 31.01.2016 CSIM 2016 (NSW) | 10 | 360 | 372 |
| 17.07.2016 WINTER CHALLENGE (NSW) | 2 | 321 | 436 |
| 16.10.2016 Spring Marathon (NSW) | 10 | 375 | 349 |
| 29.01.2017 City of Sydney International Masters (NSW) | 8 | 440 | 373 |
| 14.04.2018 Beecroft Marathon (NSW) | 11 | 400 | 378 |
| 01.03.2020 Empire Bay Mini (1) (NSW) | 3 | 355 | 328 |
| 23.05.2021 EmpireBayMay (NSW) | 4 | 361 | 412 |
| Head-to-head after 14 games | 4 | 10 | |
| Average score | 344.21 | 394.5 | |
| Spread: | -704 | 704 | |