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