| Tournament | Round | Lola Dunstan | Bertha Williams |
| 17.10.1999 Rockingham (WA) | 4 | 347 | 334 |
| 08.07.2001 Bassendean (WA) | 4 | 346 | 345 |
| 12.08.2001 Yokine (WA) | 4 | 328 | 354 |
| 14.07.2002 Bassendean (WA) | 4 | 318 | 347 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 334.75 | 345 | |
| Spread: | -41 | 41 | |