| Tournament | Round | Betty Ralph | Margaret Wilton |
| 31.05.1998 Melville (WA) | 5 | 375 | 301 |
| 20.09.1998 Advanced Intermediate Recreation (WA) | 3 | 316 | 302 |
| 15.11.2000 Coogee (WA) | 3 | 339 | 338 |
| 08.07.2001 Bassendean (WA) | 4 | 397 | 273 |
| 26.05.2002 Melville (WA) | 6 | 357 | 255 |
| 16.06.2002 Advanced Intermediate Recreation (WA) | 3 | 397 | 307 |
| 22.06.2003 Manning (WA) | 6 | 342 | 300 |
| Head-to-head after 7 games | 7 | 0 | |
| Average score | 360.42 | 296.57 | |
| Spread: | 447 | -447 | |