| Date | Tournament | State | 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 |
| 27/12/2011 | Decathon | VIC | 9 | 397 | 467 |
| 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 16 games | 12 | 4 | |||
| Average score | 416.62 | 358.44 | |||
| Spread | 931 | -931 | |||