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