| Tournament | Round | Trevor Halsall | Tengku Asri |
| 21.01.1999 City of Sydney Masters (NSW) | 16 | 402 | 358 |
| 22.04.2000 Australian Championships (QLD) | 19 | 425 | 305 |
| 11.04.2009 AUST CHAMPIONSHIP (WA) | 20 | 410 | 349 |
| 06.04.2015 Australian Championship (VIC) | 22 | 483 | 393 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 430 | 351.25 | |
| Spread: | 315 | -315 | |