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