| Tournament | Round | Trevor Halsall | John Hamilton |
| 27.06.2009 Winter ACT 2009 (ACT) | 1 | 442 | 307 |
| 14.06.2010 Victorian Championship (VIC) | 1 | 397 | 451 |
| 09.04.2012 Australian Championship (TAS) | 12 | 370 | 456 |
| 30.12.2012 Decathon (VIC) | 1 | 378 | 420 |
| 08.06.2024 2024 Victorian Championship (VIC) | 12 | 404 | 486 |
| 26.07.2025 CMWM2025 (NSW) | 16 | 389 | 453 |
| 07.09.2025 AUSTRALIAN MASTERS AND STATE CHALLENGE (VIC) | 12 | 449 | 356 |
| Head-to-head after 7 games | 2 | 5 | |
| Average score | 404.14 | 418.42 | |
| Spread: | -100 | 100 | |