| Tournament | Round | Shirley Allen | Sandra Morgan |
| 08.08.1999 Bassendean (WA) | 3 | 313 | 419 |
| 19.09.1999 Spring Subiaco (WA) | 5 | 350 | 439 |
| 13.08.2000 Western Australian Masters (WA) | 11 | 315 | 443 |
| 14.01.2001 WA Open (WA) | 4 | 319 | 421 |
| Head-to-head after 4 games | 0 | 4 | |
| Average score | 324.25 | 430.5 | |
| Spread: | -425 | 425 | |