| Tournament | Round | Robin Andersen | Anne Trotter |
| 14.03.2004 Bunbury (WA) | 6 | 353 | 381 |
| 19.06.2004 Western Australian Championships (WA) | 3 | 388 | 373 |
| 19.06.2004 Western Australian Championships (WA) | 16 | 368 | 347 |
| 06.02.2005 Fremantle (WA) | 1 | 409 | 302 |
| 13.03.2005 Bunbury (WA) | 3 | 383 | 336 |
| Head-to-head after 5 games | 4 | 1 | |
| Average score | 380.2 | 347.8 | |
| Spread: | 162 | -162 | |