| Tournament | Round | John Spaan | Heather Lowden |
| 19.01.2000 January Open (SA) | 2 | 390 | 412 |
| 24.09.2006 Australian Masters and State Challenge Trophy (NSW) | 4 | 506 | 366 |
| 08.09.2007 AUST MASTERS & STATE CHALLENGE (VIC) | 8 | 283 | 463 |
| 13.09.2008 MASTERS AND STATE CHALLENGE TROPHY (VIC) | 17 | 368 | 462 |
| 13.09.2009 MASTERS AND STATE CHALLENGE TROPHY (NSW) | 10 | 461 | 255 |
| 12.09.2010 Australian Masters & State Challenge Trophy (VIC) | 7 | 406 | 420 |
| Head-to-head after 6 games | 2 | 4 | |
| Average score | 402.33 | 396.33 | |
| Spread: | 36 | -36 | |