| Tournament | Round | John Parker | Gwen Chadwick |
| 08.02.1998 Camberwell (VIC) | 2 | 336 | 417 |
| 14.06.1999 Victorian Championships (VIC) | 21 | 439 | 426 |
| 12.06.2000 Victorian Championships (VIC) | 16 | 402 | 483 |
| 09.06.2001 Victorian Championships (VIC) | 18 | 364 | 339 |
| 24.06.2001 Nunawading (VIC) | 2 | 407 | 319 |
| 3.03.2002 Bendigo (VIC) | 6 | 426 | 315 |
| 08.06.2003 Victorian Championships (VIC) | 1 | 366 | 336 |
| 28.12.2005 Decathon (VIC) | 9 | 305 | 432 |
| 10.09.2006 Trans Tasman Fundraiser (VIC) | 4 | 436 | 331 |
| 10.12.2006 McKinnon 2006 (VIC) | 3 | 395 | 417 |
| Head-to-head after 10 games | 6 | 4 | |
| Average score | 387.6 | 381.5 | |
| Spread: | 61 | -61 | |