| Tournament | Round | Trevor Halsall | Dianne Brumby |
| 21.04.2003 Australian Championships (SA) | 7 | 467 | 327 |
| 13.12.2009 Prince Patrick the Second (VIC) | 5 | 397 | 406 |
| 12.09.2010 Australian Masters & State Challenge Trophy (VIC) | 11 | 456 | 378 |
| 25.04.2011 Aus Championship (ACT) | 20 | 446 | 405 |
| 09.04.2012 Australian Championship (TAS) | 15 | 456 | 410 |
| 02.09.2012 Australian Masters and State Team Challenge (NSW) | 13 | 402 | 384 |
| 01.04.2013 Australian Championship (QLD) | 11 | 415 | 440 |
| 12.06.2017 Vic Championship (VIC) | 7 | 403 | 333 |
| 12.06.2017 Vic Championship (VIC) | 13 | 491 | 261 |
| 10.06.2018 Vic Champs (VIC) | 4 | 385 | 314 |
| 16.04.2022 Australian Championship (QLD) | 15 | 442 | 389 |
| 06.10.2025 NSW CHAMPIONSHIP 2025 (NSW) | 16 | 497 | 306 |
| 04.04.2026 AUS CHAMPS (ACT) | 4 | 625 | 330 |
| Head-to-head after 13 games | 11 | 2 | |
| Average score | 452.46 | 360.23 | |
| Spread: | 1199 | -1199 | |