| Tournament | Round | Phillip Hamilton | Chris Ostrowski |
| 31.03.2007 Blacktown (NSW) | 5 | 414 | 229 |
| 02.11.2008 Nowra Bomaderry 2008 (NSW) | 7 | 324 | 368 |
| 11.07.2009 Glenbrook WYSC Fundraiser (NSW) | 6 | 412 | 349 |
| 30.10.2010 BlueMountainFundraiser (NSW) | 1 | 316 | 379 |
| 04.06.2011 Woy Woy (NSW) | 4 | 410 | 369 |
| 08.01.2012 Janboree (NSW) | 5 | 316 | 374 |
| 01.10.2012 NSW Championships (NSW) | 14 | 408 | 358 |
| 23.03.2013 Bomaderry (NSW) | 7 | 397 | 442 |
| 21.04.2014 Australian Championship (NSW) | 13 | 396 | 382 |
| 18.10.2015 Spring Marathon (NSW) | 8 | 453 | 302 |
| 11.02.2017 WORDS Feb (NSW) | 1 | 402 | 401 |
| 15.12.2018 Bundanoon (NSW) | 6 | 351 | 429 |
| 11.08.2019 Scroker 10 (NSW) | 2 | 400 | 399 |
| 14.12.2019 Bundanoon (NSW) | 6 | 380 | 398 |
| 09.01.2021 JanBoree (NSW) | 8 | 447 | 345 |
| 03.04.2021 OZ CHAMPS (NSW) | 8 | 342 | 388 |
| 03.04.2021 OZ CHAMPS (NSW) | 16 | 385 | 462 |
| 06.01.2024 JANBOREE (NSW) | 9 | 480 | 348 |
| 10.01.2026 JANBOREE (NSW) | 5 | 471 | 317 |
| Head-to-head after 19 games | 11 | 8 | |
| Average score | 394.94 | 370.47 | |