| Date | Tournament | State | Round | Alastair Richards | Cheah Siu Hean |
|---|---|---|---|---|---|
| 28/11/2006 | Warm-up Alpha | NSW | 8 | 326 | 419 |
| 24/03/2008 | Australian Championship | VIC | 7 | 411 | 404 |
| 24/03/2008 | Australian Championship | VIC | 23 | 538 | 322 |
| 05/04/2010 | Aus Championship | SA | 5 | 447 | 410 |
| 05/04/2010 | Aus Championship | SA | 16 | 480 | 301 |
| 09/04/2012 | Australian Championship | TAS | 3 | 343 | 466 |
| 09/04/2012 | Australian Championship | TAS | 16 | 441 | 463 |
| 01/04/2013 | Australian Championship | QLD | 20 | 475 | 384 |
| 06/04/2015 | Australian Championship | VIC | 5 | 428 | 472 |
| 06/04/2015 | Australian Championship | VIC | 14 | 480 | 442 |
| Head-to-head after 10 games | 6 | 4 | |||
| Average score | 436.90 | 408.30 | |||
| Spread | 286 | -286 | |||