| Date | Tournament | State | Round | Janet Cotter | Shirley Allen |
|---|---|---|---|---|---|
| 26/04/1998 | Nedlands | WA | 4 | 361 | 452 |
| 14/03/1999 | Bunbury | WA | 1 | 330 | 403 |
| 12/08/2001 | Yokine | WA | 6 | 383 | 380 |
| 06/04/2003 | Nedlands | WA | 2 | 312 | 342 |
| Head-to-head after 4 games | 1 | 3 | |||
| Average score | 346.50 | 394.25 | |||
| Spread | -191 | 191 | |||