| Tournament | Round | Shirley Allen | Elwyn Chalk |
| 15.03.1998 Bunbury (WA) | 1 | 348 | 390 |
| 17.01.1999 WA Open (WA) | 5 | 327 | 415 |
| 13.06.1999 Advanced Intermediate Recreation (WA) | 3 | 315 | 366 |
| 13.02.2000 Fremantle (WA) | 3 | 356 | 375 |
| 19.03.2000 Bunbury (WA) | 4 | 416 | 349 |
| 10.06.2001 Advanced Intermediate Recreation (WA) | 3 | 313 | 331 |
| Head-to-head after 6 games | 1 | 5 | |
| Average score | 345.83 | 371 | |
| Spread: | -151 | 151 | |