| Tournament | Round | Bertha Williams | Marjory Fisher |
| 30.08.1998 Yokine (WA) | 1 | 361 | 248 |
| 27.03.2000 Nedlands (WA) | 1 | 317 | 287 |
| 11.11.2001 Coogee (WA) | 6 | 421 | 275 |
| 14.07.2002 Bassendean (WA) | 2 | 326 | 353 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 356.25 | 290.75 | |
| Spread: | 262 | -262 | |