| Date | Tournament | State | Round | Mary McMahon | Simon Foskett |
|---|---|---|---|---|---|
| 28/12/1998 | Decathon | VIC | 4 | 406 | 372 |
| 20/01/2002 | Aestival | VIC | 3 | 329 | 369 |
| 25/08/2002 | Eastern Suburbs | VIC | 5 | 358 | 359 |
| 14/06/2004 | Victorian Championships | VIC | 6 | 446 | 360 |
| 14/06/2004 | Victorian Championships | VIC | 16 | 349 | 424 |
| 14/06/2004 | Victorian Championships | VIC | 24 | 374 | 362 |
| 10/10/2004 | Frankston | VIC | 1 | 381 | 400 |
| 16/01/2005 | Aestival | VIC | 2 | 402 | 373 |
| 20/05/2007 | DANDENONG | VIC | 3 | 412 | 456 |
| 25/05/2008 | Dandenong | VIC | 4 | 272 | 404 |
| Head-to-head after 10 games | 4 | 6 | |||
| Average score | 372.90 | 387.90 | |||
| Spread | -150 | 150 | |||