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