| Tournament | Round | Bertha Williams | Rhonda Reynish |
| 31.05.1998 Melville (WA) | 4 | 345 | 290 |
| 18.10.1998 Rockingham (WA) | 4 | 331 | 357 |
| 27.03.2000 Nedlands (WA) | 2 | 371 | 337 |
| 14.01.2001 WA Open (WA) | 3 | 282 | 436 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 332.25 | 355 | |
| Spread: | -91 | 91 | |