| Tournament | Round | Anne Zion | Dorrie Balgera |
| 13.01.2002 WA Open (WA) | 3 | 312 | 330 |
| 31.10.2005 Coogee (WA) | 4 | 399 | 426 |
| 26.04.2009 Anzac Maximin (WA) | 6 | 378 | 341 |
| 17.05.2009 Melville (WA) | 2 | 470 | 347 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 389.75 | 361 | |
| Spread: | 115 | -115 | |