| Tournament | Round | Michael Hornung | Mary McMahon |
| 10.06.2002 Victorian Championships (VIC) | 15 | 443 | 273 |
| 29.12.2002 Decathon (VIC) | 9 | 467 | 290 |
| 29.12.2002 Decathon (VIC) | 10 | 384 | 351 |
| 14.06.2004 Victorian Championships (VIC) | 5 | 378 | 388 |
| 04.07.2004 Nunawading (VIC) | 1 | 337 | 446 |
| 03.07.2005 Nunawading (VIC) | 4 | 486 | 310 |
| 02.07.2006 Bentleigh (VIC) | 5 | 459 | 242 |
| 01.10.2006 Essendon (VIC) | 2 | 422 | 327 |
| 22.10.2006 Frankston (VIC) | 6 | 398 | 386 |
| 10.12.2006 McKinnon 2006 (VIC) | 6 | 550 | 308 |
| 28.12.2006 Decathon (VIC) | 7 | 452 | 334 |
| 11.06.2007 Victorian Championships (VIC) | 3 | 427 | 332 |
| 11.06.2007 Victorian Championships (VIC) | 16 | 477 | 415 |
| 11.11.2007 Geelong (VIC) | 6 | 453 | 369 |
| 29.06.2008 WYSC FUndraiser (VIC) | 3 | 568 | 317 |
| 20.07.2008 NUNAWADING (VIC) | 4 | 373 | 369 |
| 01.03.2009 TEAM CHALLENGE (VIC) | 3 | 427 | 323 |
| 24.05.2009 Cranbourne (VIC) | 6 | 435 | 336 |
| Head-to-head after 18 games | 16 | 2 | |
| Average score | 440.88 | 339.77 | |
| Spread: | 1820 | -1820 | |