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