| Date | Tournament | State | Round | Chris Ostrowski | Garth van Vliet |
|---|---|---|---|---|---|
| 18/06/2011 | Wollongong WORDS Winter | NSW | 5 | 365 | 336 |
| 17/07/2011 | Winter Masters | NSW | 16 | 266 | 513 |
| 01/10/2012 | NSW Championships | NSW | 9 | 376 | 409 |
| 28/01/2013 | CITY OF SYDNEY MASTERS | NSW | 7 | 293 | 478 |
| 03/03/2013 | Balmain BUGS | NSW | 4 | 414 | 412 |
| 07/10/2013 | NSW Champs | NSW | 7 | 357 | 395 |
| 07/10/2013 | NSW Champs | NSW | 13 | 462 | 377 |
| 05/10/2015 | NSW Championships | NSW | 16 | 355 | 434 |
| 10/12/2016 | Bundanoon | NSW | 3 | 360 | 324 |
| 04/01/2020 | JanBoree | NSW | 2 | 313 | 322 |
| 20/06/2020 | BEECROFT POSt COVID19 | NSW | 8 | 370 | 383 |
| 06/11/2022 | Revesby Round Robin | NSW | 4 | 400 | 431 |
| 14/01/2023 | Bundanoon | NSW | 5 | 294 | 448 |
| 04/03/2023 | LAKE MACQUARIE AUTUMN | NSW | 1 | 359 | 393 |
| 22/07/2023 | WYC Fundraiser July | NSW | 3 | 346 | 499 |
| 26/08/2023 | Youth Fundraiser | NSW | 3 | 415 | 360 |
| 26/11/2023 | Central Coast Open | NSW | 3 | 412 | 410 |
| 06/01/2024 | JANBOREE | NSW | 3 | 369 | 366 |
| 20/07/2024 | WINTER MASTERS | NSW | 8 | 281 | 469 |
| 07/10/2024 | NSW CHAMPIONSHIP 2024 | NSW | 4 | 389 | 349 |
| 25/01/2026 | CITY OF SYDNEY MASTERS | NSW | 18 | 371 | 416 |
| 04/04/2026 | AUS CHAMPS | ACT | 6 | 245 | 572 |
| Head-to-head after 22 games | 8 | 14 | |||
| Average score | 355.09 | 413.45 | |||
| Spread | -1284 | 1284 | |||