| Tournament | Round | Betty Ralph | Judy Brealey |
| 15.02.1998 Fremantle (WA) | 5 | 279 | 353 |
| 13.06.1999 Advanced Intermediate Recreation (WA) | 6 | 310 | 362 |
| 25.06.2000 Advanced Intermediate Recreation (WA) | 4 | 247 | 356 |
| 08.10.2000 Rockingham (WA) | 5 | 379 | 432 |
| 12.08.2001 Yokine (WA) | 5 | 372 | 275 |
| Head-to-head after 5 games | 1 | 4 | |
| Average score | 317.39 | 355.6 | |
| Spread: | -191 | 191 | |