| Date | Tournament | State | Round | Mary McMahon | Graeme Lock Lee |
|---|---|---|---|---|---|
| 09/06/2001 | Victorian Championships | VIC | 6 | 310 | 424 |
| 10/06/2002 | Victorian Championships | VIC | 14 | 384 | 374 |
| 08/06/2003 | Victorian Championships | VIC | 7 | 336 | 458 |
| 14/06/2004 | Victorian Championships | VIC | 23 | 381 | 325 |
| Head-to-head after 4 games | 2 | 2 | |||
| Average score | 352.75 | 395.25 | |||
| Spread | -170 | 170 | |||