| Date | Tournament | State | Round | Janet Cotter | Wynne Davidson |
|---|---|---|---|---|---|
| 01/05/1994 | Melville | WA | 1 | 321 | 333 |
| 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 7 games | 3 | 4 | |||
| Average score | 359.71 | 355.43 | |||
| Spread | 30 | -30 | |||