| Tournament | Round | Ian Newton | Dianne Gibson |
| 04.04.2004 Langwarrin (VIC) | 5 | 402 | 367 |
| 02.04.2006 Langwarrin (VIC) | 3 | 404 | 374 |
| 28.12.2008 Decathon (VIC) | 9 | 343 | 354 |
| 13.06.2011 Queens Birthday (VIC) | 2 | 433 | 347 |
| 10.07.2011 WYSC Fundraiser 1 (VIC) | 5 | 409 | 341 |
| 14.08.2011 2011 Vic AGM (VIC) | 2 | 365 | 413 |
| Head-to-head after 6 games | 4 | 2 | |
| Average score | 392.66 | 366 | |
| Spread: | 160 | -160 | |