| Date | Tournament | State | Round | George Khamis | John Holgate |
|---|---|---|---|---|---|
| 01/10/2007 | New South Wales Champs | NSW | 1 | 263 | 401 |
| 30/01/2011 | City of Sydney International Masters | NSW | 9 | 362 | 408 |
| 02/10/2017 | NSW CHAMPS | NSW | 9 | 376 | 408 |
| 26/01/2018 | Australia Day Open | NSW | 3 | 293 | 450 |
| 13/10/2018 | Spring Marathon | NSW | 6 | 298 | 477 |
| 21/09/2019 | Beecroft Marathon | NSW | 1 | 406 | 462 |
| Head-to-head after 6 games | 0 | 6 | |||
| Average score | 333.00 | 434.33 | |||
| Spread | -608 | 608 | |||