| Tournament | Round | Heather Lowden | Susan MacGillivray |
| 17.04.2006 Australian Championships (QLD) | 14 | 372 | 390 |
| 24.09.2006 Australian Masters and State Challenge Trophy (NSW) | 2 | 379 | 310 |
| 08.09.2007 AUST MASTERS & STATE CHALLENGE (VIC) | 15 | 485 | 313 |
| 13.09.2008 MASTERS AND STATE CHALLENGE TROPHY (VIC) | 2 | 345 | 456 |
| 13.09.2009 MASTERS AND STATE CHALLENGE TROPHY (NSW) | 4 | 428 | 364 |
| Head-to-head after 5 games | 3 | 2 | |
| Average score | 401.8 | 366.6 | |
| Spread: | 176 | -176 | |