| Date | Tournament | State | 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 | 394.50 | |||
| Spread | -704 | 704 | |||