| Tournament | Round | George Khamis | Ivor Zetler |
| 06.09.2009 hillsopen (NSW) | 2 | 389 | 364 |
| 16.10.2010 Spring Marathon (NSW) | 4 | 256 | 518 |
| 30.01.2011 City of Sydney International Masters (NSW) | 4 | 447 | 461 |
| 25.04.2011 Aus Championship (ACT) | 5 | 308 | 402 |
| 27.01.2014 City of Sydney International Masters (NSW) | 3 | 407 | 349 |
| 31.01.2016 CSIM 2016 (NSW) | 4 | 295 | 421 |
| 29.01.2017 City of Sydney International Masters (NSW) | 19 | 399 | 462 |
| 02.10.2017 NSW CHAMPS (NSW) | 1 | 337 | 453 |
| 14.04.2018 Beecroft Marathon (NSW) | 5 | 332 | 371 |
| 13.10.2018 Spring Marathon (NSW) | 5 | 424 | 408 |
| 21.09.2019 Beecroft Marathon (NSW) | 2 | 367 | 389 |
| Head-to-head after 11 games | 3 | 8 | |
| Average score | 360.09 | 418 | |
| Spread: | -637 | 637 | |