| Tournament | Round | Trevor Halsall | Trevor Tao |
| 10.03.2013 SA Championship (SA) | 6 | 525 | 348 |
| 10.03.2013 SA Championship (SA) | 16 | 507 | 372 |
| 01.04.2013 Australian Championship (QLD) | 21 | 370 | 417 |
| 08.09.2013 Australian Masters and State Team Challenge (VIC) | 9 | 373 | 372 |
| 14.09.2014 MASTERS AND STATE CHALLENGE (SA) | 4 | 418 | 319 |
| 08.03.2020 SA Championship (SA) | 8 | 416 | 374 |
| Head-to-head after 6 games | 5 | 1 | |
| Average score | 434.83 | 367 | |
| Spread: | 407 | -407 | |