| Tournament | Round | Maree Heynen | Kathryn Tiffen |
| 07.06.2003 Woy Woy (NSW) | 1 | 265 | 363 |
| 21.03.2004 Wyong (NSW) | 7 | 354 | 326 |
| 04.06.2005 Woy Woy (NSW) | 5 | 371 | 302 |
| 18.03.2006 Wyong (NSW) | 7 | 315 | 366 |
| 17.03.2007 Wyong (NSW) | 5 | 285 | 403 |
| 02.06.2007 Woy Woy (NSW) | 6 | 375 | 324 |
| 15.03.2008 Wyong (NSW) | 5 | 361 | 319 |
| 30.05.2009 Woy Woy (NSW) | 1 | 347 | 345 |
| Head-to-head after 8 games | 5 | 3 | |
| Average score | 334.12 | 343.5 | |
| Spread: | -75 | 75 | |