| Date | Tournament | State | Round | John Barker | Gwen Chadwick |
|---|---|---|---|---|---|
| 12/04/1993 | Australian Championship | SA | 7 | 383 | 418 |
| 13/06/1994 | Victorian Championship | VIC | 12 | 362 | 427 |
| 13/06/1994 | Victorian Championship | VIC | 18 | 353 | 406 |
| 20/06/1994 | South Australian Championships | SA | 9 | 565 | 382 |
| 29/01/1995 | Australian Masters | NSW | 14 | 360 | 276 |
| 27/01/1996 | City of Sydney Masters | NSW | 9 | 351 | 439 |
| 08/04/1996 | Australian Masters | VIC | 17 | 440 | 373 |
| 08/04/1996 | Australian Masters | VIC | 21 | 381 | 374 |
| 08/06/1996 | Victorian Championships | VIC | 17 | 448 | 334 |
| 12/01/1997 | Lasseters Inodoor Challenge (Masters Only) | NT | 5 | 403 | 368 |
| 20/04/1997 | NSW/Victoria Border Challenge | NSW | 9 | 387 | 374 |
| 07/05/2000 | NSW/Victoria Border Challenge Wagga Wagga | NSW | 5 | 453 | 384 |
| 12/06/2000 | Victorian Championships | VIC | 3 | 454 | 339 |
| 04/05/2003 | NSW/Victoria Border Challenge Wagga Wagga | NSW | 10 | 367 | 425 |
| 14/09/2003 | Melbourne Masters | VIC | 14 | 461 | 348 |
| 02/05/2004 | NSW/Victoria Border Challenge Wagga Wagga | NSW | 11 | 336 | 447 |
| Head-to-head after 16 games | 10 | 6 | |||
| Average score | 406.50 | 382.12 | |||
| Spread | 390 | -390 | |||