| Date | Tournament | State | Round | Cheah Siu Hean | Trevor Halsall |
|---|---|---|---|---|---|
| 01/04/2002 | Australian Championships | WA | 8 | 406 | 399 |
| 21/04/2003 | Australian Championships | SA | 14 | 480 | 476 |
| 12/04/2004 | Australian Championships | ACT | 12 | 545 | 351 |
| 28/03/2005 | Australian Championships | TAS | 10 | 481 | 450 |
| 28/11/2006 | Warm-up Alpha | NSW | 4 | 419 | 442 |
| 29/11/2006 | Warm-up Beta | NSW | 5 | 527 | 268 |
| 24/03/2008 | Australian Championship | VIC | 24 | 313 | 467 |
| 11/04/2009 | AUST CHAMPIONSHIP | WA | 19 | 520 | 370 |
| 25/04/2011 | Aus Championship | ACT | 3 | 394 | 438 |
| 25/04/2011 | Aus Championship | ACT | 23 | 379 | 403 |
| 17/04/2017 | National Championship | WA | 24 | 344 | 401 |
| 02/04/2018 | 2018 National Championship | ACT | 8 | 471 | 381 |
| Head-to-head after 12 games | 7 | 5 | |||
| Average score | 439.92 | 403.83 | |||
| Spread | 433 | -433 | |||