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