| Date | Tournament | State | Round | Mary McMahon | Dianne Davis |
|---|---|---|---|---|---|
| 08/06/1998 | Victorian Championships | VIC | 19 | 379 | 415 |
| 08/06/1998 | Victorian Championships | VIC | 21 | 384 | 390 |
| 28/12/1998 | Decathon | VIC | 1 | 260 | 456 |
| 26/09/1999 | Essendon | VIC | 4 | 275 | 425 |
| 09/04/2000 | Western Suburbs | VIC | 5 | 456 | 347 |
| 09/06/2001 | Victorian Championships | VIC | 12 | 329 | 350 |
| 23/07/2001 | Prahran | VIC | 2 | 354 | 342 |
| 29/12/2002 | Decathon | VIC | 7 | 349 | 387 |
| 09/02/2003 | Camberwell | VIC | 4 | 510 | 355 |
| 02/03/2003 | Bendigo | VIC | 5 | 372 | 442 |
| 08/06/2003 | Victorian Championships | VIC | 6 | 387 | 359 |
| 31/08/2003 | WSC Fundraiser | VIC | 6 | 413 | 314 |
| 15/02/2004 | Camberwell | VIC | 2 | 298 | 394 |
| 28/02/2004 | Ballarat | VIC | 4 | 326 | 352 |
| 14/11/2004 | Geelong | VIC | 4 | 385 | 320 |
| 16/01/2005 | Aestival | VIC | 5 | 297 | 380 |
| 13/06/2005 | Victorian Championships | VIC | 15 | 414 | 365 |
| 11/12/2005 | Day/Night | VIC | 5 | 419 | 400 |
| 28/12/2005 | Decathon | VIC | 9 | 354 | 392 |
| 12/02/2006 | Camberwell | VIC | 6 | 354 | 458 |
| 20/08/2006 | Mornington | VIC | 3 | 424 | 325 |
| 01/10/2006 | Essendon | VIC | 3 | 351 | 439 |
| 05/11/2006 | Geelong | VIC | 6 | 345 | 353 |
| 18/02/2007 | Camberwell | VIC | 6 | 568 | 391 |
| 22/04/2007 | Melbourne Team Challenge | VIC | 8 | 395 | 441 |
| 28/12/2008 | Decathon | VIC | 4 | 435 | 386 |
| 05/07/2009 | WYSC FUNDRAISER | VIC | 6 | 395 | 438 |
| 26/07/2009 | Nunawading | VIC | 5 | 366 | 495 |
| 13/06/2011 | Queens Birthday | VIC | 4 | 375 | 415 |
| 24/07/2011 | Nunawading | VIC | 3 | 369 | 404 |
| 15/01/2012 | Bil Rose Aestival | VIC | 3 | 370 | 369 |
| 17/01/2016 | Aestival | VIC | 5 | 340 | 346 |
| 28/03/2016 | Australian Championship | SA | 17 | 349 | 383 |
| 24/04/2016 | Nunawading | VIC | 4 | 310 | 439 |
| 13/06/2016 | Queen's Birthday | VIC | 3 | 328 | 474 |
| 14/01/2018 | Aestival | VIC | 6 | 345 | 417 |
| Head-to-head after 36 games | 12 | 24 | |||
| Average score | 371.67 | 393.28 | |||
| Spread | -778 | 778 | |||