| Tournament | Round | Sue Armstrong | Alan Mathews |
| 15.03.1998 Bunbury (WA) | 1 | 427 | 309 |
| 25.04.1999 Nedlands (WA) | 3 | 378 | 388 |
| 03.10.1999 Yokine (WA) | 5 | 458 | 326 |
| 28.05.2000 Melville (WA) | 5 | 417 | 394 |
| 01.04.2002 Australian Championships (WA) | 8 | 415 | 342 |
| 29.09.2002 Manjimup (WA) | 3 | 521 | 314 |
| 31.05.2003 Western Australian Championships (WA) | 11 | 315 | 459 |
| 29.02.2004 Kwinana (WA) | 3 | 372 | 341 |
| 19.06.2004 Western Australian Championships (WA) | 7 | 456 | 323 |
| 02.10.2004 Manjimup Warmup (WA) | 3 | 395 | 293 |
| 27.02.2005 Kwinana (WA) | 5 | 348 | 402 |
| 26.02.2006 Mandurah (WA) | 4 | 370 | 407 |
| Head-to-head after 12 games | 8 | 4 | |
| Average score | 406 | 358.16 | |
| Spread: | 574 | -574 | |