| Date | Tournament | State | Round | Mary McMahon | Wayne Stoyan |
|---|---|---|---|---|---|
| 05/12/1999 | McKinnon | VIC | 2 | 348 | 442 |
| 06/08/2000 | Knox | VIC | 3 | 442 | 289 |
| 10/11/2002 | Geelong | VIC | 1 | 386 | 389 |
| 21/03/2004 | Bendigo | VIC | 4 | 407 | 423 |
| 16/10/2005 | Frankston | VIC | 4 | 391 | 324 |
| 30/12/2012 | Decathon | VIC | 1 | 425 | 367 |
| 10/06/2013 | QUEEN'S BIRTHDAY | VIC | 2 | 366 | 388 |
| 29/09/2013 | Esssendon | VIC | 5 | 326 | 356 |
| 09/11/2014 | Geelong | VIC | 3 | 403 | 274 |
| 07/12/2014 | FRANKSTON NORTH 2 | VIC | 3 | 325 | 375 |
| 18/01/2015 | AESTIVAL | VIC | 7 | 442 | 259 |
| Head-to-head after 11 games | 5 | 6 | |||
| Average score | 387.36 | 353.27 | |||
| Spread | 375 | -375 | |||