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