| Tournament | Round | Michael Tang | Cheah Siu Hean |
| 31.10.1999 Geelong (VIC) | 4 | 449 | 380 |
| 11.04.2009 AUST CHAMPIONSHIP (WA) | 5 | 482 | 460 |
| 05.04.2010 Aus Championship (SA) | 23 | 334 | 411 |
| 01.04.2013 Australian Championship (QLD) | 6 | 421 | 382 |
| 06.04.2015 Australian Championship (VIC) | 22 | 436 | 462 |
| Head-to-head after 5 games | 3 | 2 | |
| Average score | 424.4 | 419 | |
| Spread: | 27 | -27 | |