| Tournament | Round | Janet Cotter | Wynne Davidson |
| 08.10.2000 Rockingham (WA) | 6 | 339 | 406 |
| 21.04.2002 Nedlands (WA) | 6 | 377 | 355 |
| 08.09.2002 Yokine (WA) | 5 | 467 | 299 |
| 06.04.2003 Nedlands (WA) | 4 | 341 | 360 |
| 11.01.2004 January Maximin (WA) | 7 | 374 | 369 |
| 21.05.2006 Melville (WA) | 5 | 299 | 366 |
| Head-to-head after 6 games | 3 | 3 | |
| Average score | 366.16 | 359.16 | |
| Spread: | 42 | -42 | |