| Date | Tournament | State | Round | Alan Mathews | Karen Richards |
|---|---|---|---|---|---|
| 12/07/1998 | WA Masters | WA | 11 | 343 | 409 |
| 17/01/1999 | WA Open | WA | 3 | 400 | 317 |
| 14/07/2002 | Bassendean | WA | 3 | 416 | 298 |
| 08/09/2002 | Yokine | WA | 1 | 340 | 358 |
| 10/02/2002 | Fremantle | WA | 1 | 368 | 407 |
| 10/03/2002 | Bunbury | WA | 4 | 276 | 507 |
| 20/10/2002 | Rockingham | WA | 1 | 324 | 410 |
| 16/03/2003 | Bunbury | WA | 4 | 305 | 526 |
| 31/05/2003 | Western Australian Championships | WA | 4 | 390 | 381 |
| 30/11/2003 | Hamersley | WA | 6 | 327 | 452 |
| 11/01/2004 | January Maximin | WA | 1 | 391 | 394 |
| 08/02/2004 | Fremantle | WA | 3 | 292 | 520 |
| 14/03/2004 | Bunbury | WA | 5 | 208 | 477 |
| 19/06/2004 | Western Australian Championships | WA | 11 | 361 | 370 |
| 11/07/2004 | Bassendean | WA | 2 | 326 | 458 |
| 06/12/2015 | OPEN6DEC | WA | 7 | 323 | 481 |
| Head-to-head after 16 games | 3 | 13 | |||
| Average score | 336.88 | 422.81 | |||
| Spread | -1375 | 1375 | |||