| Tournament | Round | Mary McMahon | Audree Clifton |
| 15.11.1998 Geelong (VIC) | 4 | 422 | 403 |
| 14.06.1999 Victorian Championships (VIC) | 17 | 338 | 418 |
| 12.06.2000 Victorian Championships (VIC) | 14 | 399 | 464 |
| 21.01.2001 Aestival (VIC) | 2 | 483 | 402 |
| 05.08.2001 Knox (VIC) | 6 | 293 | 461 |
| 02.03.2003 Bendigo (VIC) | 6 | 390 | 389 |
| 09.11.2003 Geelong (VIC) | 5 | 354 | 324 |
| 04.07.2004 Nunawading (VIC) | 5 | 333 | 438 |
| 16.01.2005 Aestival (VIC) | 4 | 494 | 335 |
| 25.09.2005 Essendon (VIC) | 5 | 376 | 427 |
| 15.01.2006 Aestival (VIC) | 1 | 361 | 408 |
| 30.01.2010 BALLARAT (VIC) | 1 | 498 | 303 |
| 13.06.2011 Queens Birthday (VIC) | 5 | 450 | 375 |
| 06.11.2011 Geelong (VIC) | 2 | 385 | 338 |
| 03.03.2013 TEAM CHALLENGE (VIC) | 6 | 423 | 399 |
| 12.01.2014 Aestival (VIC) | 2 | 407 | 290 |
| Head-to-head after 16 games | 10 | 6 | |
| Average score | 400.37 | 385.87 | |
| Spread: | 232 | -232 | |