| Tournament | Round | Dianne Davis | Gwen Chadwick |
| 23.05.1999 Dandenong (VIC) | 3 | 341 | 311 |
| 14.06.1999 Victorian Championships (VIC) | 8 | 351 | 422 |
| 05.12.1999 McKinnon (VIC) | 6 | 342 | 379 |
| 23.01.2000 Aestival (VIC) | 2 | 407 | 353 |
| 12.06.2000 Victorian Championships (VIC) | 9 | 466 | 352 |
| 30.12.2000 Decathon (VIC) | 4 | 339 | 368 |
| 01.12.2002 McKinnon (VIC) | 4 | 409 | 340 |
| 30.03.2003 Langwarrin (VIC) | 1 | 420 | 398 |
| 28.05.2006 06DAND.TOU (VIC) | 5 | 397 | 456 |
| 18.03.2007 Langwarrin (VIC) | 5 | 404 | 366 |
| Head-to-head after 10 games | 6 | 4 | |
| Average score | 387.6 | 374.5 | |
| Spread: | 131 | -131 | |