| Tournament | Round | Margaret Andrews | Graeme Lock Lee |
| 04.10.1999 New South Wales Championships (NSW) | 9 | 373 | 383 |
| 21.10.2000 Spring Marathon (NSW) | 1 | 364 | 310 |
| 27.01.2001 City of Sydney International Masters (NSW) | 1 | 301 | 476 |
| 27.10.2002 Spring Marathon (NSW) | 4 | 383 | 391 |
| 25.02.2006 NSW Matchplay Qualifier (NSW) | 2 | 303 | 507 |
| 16.10.2010 Spring Marathon (NSW) | 3 | 334 | 448 |
| Head-to-head after 6 games | 1 | 5 | |
| Average score | 343 | 419.16 | |
| Spread: | -457 | 457 | |