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