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