| Tournament | Round | Garth van Vliet | Chris Ostrowski |
| 18.06.2011 Wollongong WORDS Winter (NSW) | 5 | 336 | 365 |
| 17.07.2011 Winter Masters (NSW) | 16 | 513 | 266 |
| 01.10.2012 NSW Championships (NSW) | 9 | 409 | 376 |
| 28.01.2013 CITY OF SYDNEY MASTERS (NSW) | 7 | 478 | 293 |
| 03.03.2013 Balmain BUGS (NSW) | 4 | 412 | 414 |
| 07.10.2013 NSW Champs (NSW) | 7 | 395 | 357 |
| 07.10.2013 NSW Champs (NSW) | 13 | 377 | 462 |
| 05.10.2015 NSW Championships (NSW) | 16 | 434 | 355 |
| 10.12.2016 Bundanoon (NSW) | 3 | 324 | 360 |
| 04.01.2020 JanBoree (NSW) | 2 | 322 | 313 |
| 20.06.2020 BEECROFT POSt COVID19 (NSW) | 8 | 383 | 370 |
| 06.11.2022 Revesby Round Robin (NSW) | 4 | 431 | 400 |
| 14.01.2023 Bundanoon (NSW) | 5 | 448 | 294 |
| 04.03.2023 LAKE MACQUARIE AUTUMN (NSW) | 1 | 393 | 359 |
| 22.07.2023 WYC Fundraiser July (NSW) | 3 | 499 | 346 |
| 26.08.2023 Youth Fundraiser (NSW) | 3 | 360 | 415 |
| 26.11.2023 Central Coast Open (NSW) | 3 | 410 | 412 |
| 06.01.2024 JANBOREE (NSW) | 3 | 366 | 369 |
| 20.07.2024 WINTER MASTERS (NSW) | 8 | 469 | 281 |
| 07.10.2024 NSW CHAMPIONSHIP 2024 (NSW) | 4 | 349 | 389 |
| 25.01.2026 CITY OF SYDNEY MASTERS (NSW) | 18 | 416 | 371 |
| 04.04.2026 AUS CHAMPS (ACT) | 6 | 572 | 245 |
| Head-to-head after 22 games | 14 | 8 | |
| Average score | 413.45 | 355.09 | |