| Tournament | Round | Trevor Halsall | Helen Hynes |
| 04.10.2004 New South Wales Championships (NSW) | 7 | 361 | 398 |
| 04.10.2004 New South Wales Championships (NSW) | 11 | 391 | 383 |
| 04.10.2004 New South Wales Championships (NSW) | 20 | 460 | 325 |
| 30.01.2005 City of Sydney International Masters (NSW) | 14 | 417 | 294 |
| 13.02.2005 Camberwell (VIC) | 2 | 367 | 280 |
| 28.03.2005 Australian Championships (TAS) | 11 | 389 | 394 |
| 15.01.2006 Aestival (VIC) | 5 | 419 | 394 |
| 18.03.2007 Langwarrin (VIC) | 5 | 484 | 313 |
| 22.04.2007 Melbourne Team Challenge (VIC) | 3 | 434 | 352 |
| 24.03.2008 Australian Championship (VIC) | 11 | 461 | 298 |
| 04.05.2008 Queensland Championships (QLD) | 11 | 435 | 465 |
| 03.05.2009 WSC FUND RAISER MAY (VIC) | 7 | 451 | 269 |
| 25.04.2011 Aus Championship (ACT) | 2 | 375 | 373 |
| 08.09.2013 Australian Masters and State Team Challenge (VIC) | 11 | 459 | 402 |
| 08.07.2018 Match Play (VIC) | 5 | 366 | 328 |
| Head-to-head after 15 games | 12 | 3 | |
| Average score | 417.93 | 351.2 | |
| Spread: | 1001 | -1001 | |