| Tournament | Round | Anne Donnelly | Anne Trotter |
| 08.02.2004 Fremantle (WA) | 4 | 268 | 350 |
| 19.06.2004 Western Australian Championships (WA) | 18 | 299 | 346 |
| 25.04.2006 Anzac Maximin (WA) | 7 | 535 | 253 |
| 09.07.2006 Bassendean (WA) | 4 | 363 | 357 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 366.25 | 326.5 | |
| Spread: | 159 | -159 | |