| Tournament | Round | Ian Newton | Dianne Davis |
| 07.02.1999 Ballarat (VIC) | 2 | 470 | 252 |
| 21.05.2000 Dandenong (VIC) | 5 | 408 | 462 |
| 05.08.2001 Knox (VIC) | 2 | 408 | 338 |
| 20.01.2002 Aestival (VIC) | 3 | 370 | 409 |
| 24.02.2002 Camberwell (VIC) | 3 | 340 | 333 |
| 09.02.2003 Camberwell (VIC) | 6 | 371 | 433 |
| 08.06.2003 Victorian Championships (VIC) | 2 | 279 | 434 |
| 22.06.2003 Nunawading (VIC) | 2 | 388 | 459 |
| 10.08.2003 Mornington (VIC) | 1 | 344 | 463 |
| 16.05.2004 Dandenong (VIC) | 1 | 429 | 305 |
| 20.03.2005 Langwarrin (VIC) | 5 | 410 | 393 |
| 24.07.2011 Nunawading (VIC) | 4 | 302 | 328 |
| 14.08.2011 2011 Vic AGM (VIC) | 6 | 369 | 375 |
| Head-to-head after 13 games | 5 | 8 | |
| Average score | 376 | 383.38 | |
| Spread: | -96 | 96 | |