| Tournament | Round | George Khamis | Graeme Lock Lee |
| 24.10.1998 Spring Marathon (NSW) | 1 | 307 | 419 |
| 23.10.1999 Spring Marathon (NSW) | 2 | 312 | 419 |
| 27.10.2002 Spring Marathon (NSW) | 1 | 362 | 477 |
| 22.10.2005 Spring Marathon (NSW) | 12 | 298 | 437 |
| 25.02.2007 Matchplay Qualifier (NSW) | 1 | 254 | 443 |
| 30.01.2011 City of Sydney International Masters (NSW) | 1 | 347 | 331 |
| 27.01.2014 City of Sydney International Masters (NSW) | 1 | 360 | 406 |
| 27.01.2014 City of Sydney International Masters (NSW) | 15 | 370 | 421 |
| 05.10.2015 NSW Championships (NSW) | 1 | 305 | 428 |
| 28.01.2018 City of Sydney International Masters (NSW) | 1 | 333 | 438 |
| 25.08.2019 WESPA Seniors 2019 (QLD) | 24 | 324 | 444 |
| Head-to-head after 11 games | 1 | 10 | |
| Average score | 324.72 | 423.9 | |
| Spread: | -1091 | 1091 | |