| Date | Tournament | State | Round | John Barker | Dianne Davis |
|---|---|---|---|---|---|
| 08/06/1996 | Victorian Championships | VIC | 13 | 492 | 408 |
| 28/07/1996 | Winter Masters | NSW | 12 | 378 | 462 |
| 24/01/1997 | City of Sydney International Masters | NSW | 16 | 433 | 401 |
| 20/04/1997 | NSW/Victoria Border Challenge | NSW | 3 | 496 | 384 |
| 08/06/1998 | Victorian Championships | VIC | 6 | 424 | 437 |
| 07/05/2000 | NSW/Victoria Border Challenge Wagga Wagga | NSW | 8 | 318 | 420 |
| 06/05/2001 | NSW/Victoria Border Challenge Wagga Wagga | NSW | 10 | 350 | 300 |
| 06/05/2001 | NSW/Victoria Border Challenge Wagga Wagga | NSW | 11 | 350 | 300 |
| 09/06/2001 | Victorian Championships | VIC | 5 | 443 | 362 |
| 27/01/2002 | City of Sydney International Masters | NSW | 14 | 366 | 480 |
| 05/05/2002 | NSW/Victoria Border Challenge Wagga Wagga | NSW | 6 | 288 | 437 |
| 27/01/2003 | City of Sydney International Masters | NSW | 3 | 380 | 554 |
| 17/04/2006 | Australian Championships | QLD | 19 | 403 | 385 |
| 10/06/2006 | vic06 3 DAY | VIC | 9 | 375 | 398 |
| 10/06/2006 | vic06 3 DAY | VIC | 19 | 406 | 440 |
| 07/06/2008 | VIC CHAMPS | VIC | 9 | 415 | 263 |
| 07/06/2008 | VIC CHAMPS | VIC | 14 | 528 | 324 |
| 08/06/2009 | Vic Championship | VIC | 3 | 459 | 395 |
| 10/06/2013 | VIC CHAMPIONSHIP | VIC | 4 | 541 | 277 |
| 08/06/2015 | Vic Championship | VIC | 7 | 393 | 471 |
| 26/05/2019 | Tri-State | NSW | 3 | 363 | 392 |
| Head-to-head after 21 games | 11 | 10 | |||
| Average score | 409.57 | 394.76 | |||
| Spread | 311 | -311 | |||