| Date | Tournament | State | Round | Chris Ostrowski | Marion Miller |
|---|---|---|---|---|---|
| 05/07/2009 | Winter Challenge | NSW | 10 | 440 | 321 |
| 24/04/2010 | APRIL FUNDRAISER | NSW | 3 | 392 | 342 |
| 05/06/2010 | WOYWOY 2010 | NSW | 3 | 372 | 411 |
| 19/02/2011 | Wollongong Round Robins | NSW | 4 | 446 | 353 |
| 03/07/2011 | Winter Challenge | NSW | 5 | 398 | 401 |
| 11/09/2011 | BAULKHAM HILLS | NSW | 2 | 280 | 392 |
| 20/04/2013 | Spot Surprize | NSW | 7 | 365 | 459 |
| 24/02/2019 | Empire Bay Mini Feb | NSW | 5 | 284 | 384 |
| 23/05/2021 | EmpireBayMay | NSW | 1 | 333 | 424 |
| 06/05/2023 | BURWOOD NO FRILLS | NSW | 4 | 465 | 331 |
| 01/06/2024 | SUTHERLAND | NSW | 1 | 360 | 312 |
| Head-to-head after 11 games | 5 | 6 | |||
| Average score | 375.91 | 375.45 | |||
| Spread | 5 | -5 | |||