| Date | Tournament | State | Round | Chris Ostrowski | Peter Griffiths |
|---|---|---|---|---|---|
| 31/03/2007 | Blacktown | NSW | 8 | 338 | 320 |
| 30/05/2010 | Revesby | NSW | 4 | 353 | 368 |
| 17/07/2010 | Winter Masters | NSW | 2 | 327 | 443 |
| 21/11/2010 | Central Coast Championships | NSW | 6 | 382 | 376 |
| 30/01/2011 | City of Sydney International Masters | NSW | 19 | 314 | 456 |
| 20/08/2011 | Oatlands War of the Words | NSW | 1 | 324 | 326 |
| 29/01/2012 | CITY OF SYDNEY MASTERS | NSW | 16 | 396 | 397 |
| 25/11/2012 | CENTRAL COAST C'SHIP 2 DAY | NSW | 2 | 424 | 337 |
| 09/02/2013 | WORDS SUMMER | NSW | 5 | 303 | 428 |
| 25/05/2013 | Revesby | NSW | 3 | 347 | 345 |
| 10/11/2013 | ACT CHAMPIONSHIPS | ACT | 8 | 348 | 388 |
| 08/02/2014 | WORDS FEB | NSW | 5 | 303 | 383 |
| 25/10/2014 | Room to Read Charity | NSW | 5 | 311 | 365 |
| 11/09/2016 | Revesby Tournament | NSW | 4 | 362 | 336 |
| 06/05/2023 | BURWOOD NO FRILLS | NSW | 7 | 397 | 312 |
| 20/07/2024 | WINTER MASTERS | NSW | 13 | 361 | 314 |
| 04/01/2025 | JanBoree | NSW | 9 | 377 | 404 |
| 10/01/2026 | JANBOREE | NSW | 1 | 366 | 317 |
| Head-to-head after 18 games | 8 | 10 | |||
| Average score | 351.83 | 367.50 | |||
| Spread | -282 | 282 | |||