| Tournament | Round | Elwyn Chalk | Sue Armstrong |
| 12.07.1998 WA Masters (WA) | 4 | 342 | 394 |
| 14.02.1999 Fremantle (WA) | 1 | 313 | 421 |
| 25.04.1999 Nedlands (WA) | 2 | 362 | 365 |
| 11.11.2001 Coogee (WA) | 6 | 496 | 363 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 378.25 | 385.75 | |
| Spread: | -30 | 30 | |