| Tournament | Round | Paul Richards | Cheah Siu Hean |
| 29.11.2006 Warm-up Beta (NSW) | 10 | 263 | 487 |
| 24.03.2008 Australian Championship (VIC) | 22 | 360 | 448 |
| 01.11.2015 WYSCA (WA) | 6 | 392 | 497 |
| 17.04.2017 National Championship (WA) | 9 | 393 | 345 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 352 | 444.25 | |
| Spread: | -369 | 369 | |