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