| Date | Tournament | State | Round | Karen Richards | Cheah Siu Hean |
|---|---|---|---|---|---|
| 05/04/1999 | Australian Championships | NSW | 17 | 365 | 400 |
| 24/03/2002 | WA Marathon | WA | 2 | 348 | 503 |
| 24/03/2002 | WA Marathon | WA | 8 | 305 | 479 |
| 01/04/2002 | Australian Championships | WA | 5 | 371 | 466 |
| 12/04/2004 | Australian Championships | ACT | 13 | 297 | 529 |
| 09/04/2007 | Australian Championships | NSW | 5 | 296 | 447 |
| 25/04/2011 | Aus Championship | ACT | 10 | 326 | 528 |
| Head-to-head after 7 games | 0 | 7 | |||
| Average score | 329.71 | 478.86 | |||
| Spread | -1044 | 1044 | |||