| Tournament | Round | John Hamilton | Natalie Tadday |
| 01.10.2007 New South Wales Champs (NSW) | 10 | 447 | 275 |
| 01.10.2007 New South Wales Champs (NSW) | 14 | 375 | 322 |
| 02.11.2008 Nowra Bomaderry 2008 (NSW) | 7 | 316 | 381 |
| 14.02.2009 wordsfeb09 (NSW) | 1 | 468 | 410 |
| 28.03.2009 ACT Round Robin 2009 (ACT) | 6 | 467 | 330 |
| 13.03.2010 Bomaderry (NSW) | 3 | 425 | 354 |
| 26.06.2010 ACT Winter Open (ACT) | 7 | 422 | 335 |
| 10.03.2012 Bomaderry (NSW) | 2 | 445 | 398 |
| 22.07.2012 Winter Masters (NSW) | 13 | 415 | 432 |
| 04.11.2012 Nowra (NSW) | 4 | 407 | 372 |
| 03.11.2013 NOWRA (NSW) | 3 | 381 | 366 |
| 02.10.2017 NSW CHAMPS (NSW) | 5 | 404 | 378 |
| 02.10.2017 NSW CHAMPS (NSW) | 13 | 453 | 336 |
| 12.08.2018 WYSC Fundraiser (NSW) | 4 | 442 | 475 |
| 07.12.2019 Sutherland (NSW) | 1 | 362 | 384 |
| Head-to-head after 15 games | 11 | 4 | |
| Average score | 415.26 | 369.86 | |
| Spread: | 681 | -681 | |