| Tournament | Round | Anne Trotter | Janet Cotter |
| 14.09.2003 Maximin (WA) | 3 | 364 | 386 |
| 28.03.2004 Nedlands (WA) | 5 | 321 | 452 |
| 10.04.2005 Nedlands (WA) | 2 | 332 | 399 |
| 11.09.2005 Spring Maximin (WA) | 7 | 377 | 354 |
| 09.07.2006 Bassendean (WA) | 1 | 445 | 307 |
| Head-to-head after 5 games | 2 | 3 | |
| Average score | 367.8 | 379.6 | |
| Spread: | -59 | 59 | |