| Date | Tournament | State | Round | Trevor Halsall | Dianne Davis |
|---|---|---|---|---|---|
| 29/01/1995 | Australian Masters | NSW | 1 | 391 | 307 |
| 24/01/1997 | City of Sydney International Masters | NSW | 9 | 383 | 394 |
| 14/06/1999 | Victorian Championships | VIC | 18 | 362 | 467 |
| 31/10/1999 | Geelong | VIC | 3 | 382 | 336 |
| 12/06/2000 | Victorian Championships | VIC | 16 | 430 | 416 |
| 29/04/2001 | Western Suburbs | VIC | 4 | 489 | 330 |
| 09/06/2001 | Victorian Championships | VIC | 1 | 320 | 465 |
| 01/04/2002 | Australian Championships | WA | 3 | 486 | 379 |
| 29/12/2002 | Decathon | VIC | 3 | 500 | 315 |
| 10/03/2003 | White Rabbit | VIC | 9 | 423 | 336 |
| 21/04/2003 | Australian Championships | SA | 20 | 310 | 391 |
| 18/05/2003 | Dandenong | VIC | 3 | 351 | 338 |
| 28/08/2004 | Winter's End | VIC | 6 | 506 | 353 |
| 26/09/2004 | Essendon | VIC | 1 | 411 | 440 |
| 15/05/2005 | Dandenong | VIC | 6 | 394 | 370 |
| 10/12/2006 | McKinnon 2006 | VIC | 1 | 345 | 369 |
| 18/03/2007 | Langwarrin | VIC | 1 | 425 | 417 |
| 07/06/2008 | VIC CHAMPS | VIC | 1 | 518 | 405 |
| 07/06/2008 | VIC CHAMPS | VIC | 24 | 565 | 362 |
| 20/07/2008 | NUNAWADING | VIC | 3 | 453 | 328 |
| 28/09/2008 | Essendon | VIC | 1 | 541 | 276 |
| 31/05/2009 | Xiao Ting Box May | VIC | 1 | 471 | 269 |
| 17/01/2010 | AESTIVAL FESTIVAL | VIC | 1 | 430 | 440 |
| 28/02/2010 | TEAM CHALLENGE | VIC | 5 | 495 | 279 |
| 20/11/2011 | Bentleigh | VIC | 2 | 384 | 332 |
| 27/12/2011 | Decathon | VIC | 1 | 397 | 317 |
| 10/02/2013 | Camberwell | VIC | 1 | 557 | 374 |
| 22/03/2015 | Nunawading | VIC | 4 | 456 | 392 |
| 24/05/2015 | CRANBOURNE | VIC | 5 | 421 | 266 |
| 10/03/2018 | saturday sessions iii | VIC | 1 | 465 | 405 |
| 28/02/2021 | Bil Rose Aestival 2021 | VIC | 5 | 403 | 378 |
| 16/05/2021 | May Tournament | VIC | 5 | 377 | 401 |
| 13/11/2021 | VICTORIAN CHAMPS 21 | VIC | 2 | 435 | 243 |
| 10/07/2022 | MIDWINTER 22 | VIC | 7 | 364 | 382 |
| 10/06/2023 | Victorian Champs | VIC | 6 | 581 | 197 |
| 08/06/2024 | 2024 Victorian Championship | VIC | 2 | 506 | 340 |
| 08/06/2024 | 2024 Victorian Championship | VIC | 13 | 379 | 409 |
| 30/06/2024 | SUNDAY SESSIONS | VIC | 1 | 366 | 402 |
| 16/03/2025 | Sunday Sessions 5 | VIC | 3 | 469 | 409 |
| 19/04/2025 | National Championship and Plate | SA | 4 | 527 | 325 |
| 07/06/2025 | 40th Anniv Vic Champs | VIC | 10 | 445 | 322 |
| 23/11/2025 | Sunday Sessions 4 | VIC | 1 | 568 | 375 |
| 04/04/2026 | AUS CHAMPS | ACT | 17 | 430 | 347 |
| Head-to-head after 43 games | 32 | 11 | |||
| Average score | 439.79 | 358.09 | |||
| Spread | 3513 | -3513 | |||