| Tournament | Round | Cheah Siu Hean | Bob Jackman |
| 01.04.2002 Australian Championships (WA) | 20 | 451 | 327 |
| 21.04.2003 Australian Championships (SA) | 7 | 320 | 534 |
| 12.04.2004 Australian Championships (ACT) | 11 | 412 | 370 |
| 28.03.2005 Australian Championships (TAS) | 13 | 502 | 336 |
| 09.04.2007 Australian Championships (NSW) | 18 | 283 | 495 |
| 05.04.2010 Aus Championship (SA) | 8 | 410 | 333 |
| 01.04.2013 Australian Championship (QLD) | 23 | 338 | 506 |
| 21.04.2014 Australian Championship (NSW) | 6 | 378 | 440 |
| 06.04.2015 Australian Championship (VIC) | 6 | 410 | 366 |
| 02.04.2018 2018 National Championship (ACT) | 14 | 452 | 419 |
| Head-to-head after 10 games | 6 | 4 | |
| Average score | 395.6 | 412.6 | |
| Spread: | -170 | 170 | |