| Tournament | Round | Chris Ostrowski | Tony Kalayzich |
| 15.07.2007 Winter Challenge (NSW) | 14 | 277 | 446 |
| 06.07.2008 Winter Challenge (NSW) | 15 | 400 | 380 |
| 04.04.2009 Blacktown (NSW) | 6 | 554 | 320 |
| 11.07.2009 Glenbrook WYSC Fundraiser (NSW) | 5 | 413 | 319 |
| 29.08.2009 War of the Words (NSW) | 1 | 423 | 333 |
| 02.01.2010 Janboree (NSW) | 1 | 409 | 342 |
| 30.05.2010 Revesby (NSW) | 8 | 388 | 316 |
| 08.01.2012 Janboree (NSW) | 1 | 305 | 374 |
| 04.03.2012 Balmain BUGS (NSW) | 3 | 339 | 399 |
| 29.01.2017 City of Sydney International Masters (NSW) | 8 | 350 | 409 |
| 17.06.2017 WORDS WINTER (NSW) | 4 | 382 | 341 |
| 03.10.2022 2022 NSW CHAMPIONSHIP (NSW) | 11 | 458 | 335 |
| 09.11.2024 Wallerawang 24 (NSW) | 3 | 310 | 430 |
| 09.11.2024 Wallerawang 24 (NSW) | 15 | 473 | 373 |
| 29.03.2025 LAKE MACQUARIE AUTUMN (NSW) | 2 | 493 | 310 |
| 23.08.2025 INNER WEST DIVISIONAL (NSW) | 3 | 345 | 380 |
| Head-to-head after 16 games | 10 | 6 | |
| Average score | 394.93 | 362.93 | |