| Date | Tournament | State | 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 | |||
| Spread | 1284 | -1284 | |||