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