| Date | Tournament | State | Round | Chris Ostrowski | Raya Wilkinson |
|---|---|---|---|---|---|
| 02/11/2008 | Nowra Bomaderry 2008 | NSW | 9 | 450 | 314 |
| 11/01/2009 | Baulkham Hills Yearly Nearly Early | NSW | 5 | 389 | 402 |
| 15/03/2009 | Bomaderry March 2009 | NSW | 7 | 381 | 382 |
| 05/07/2009 | Winter Challenge | NSW | 14 | 318 | 431 |
| 03/07/2011 | Winter Challenge | NSW | 7 | 416 | 344 |
| 11/09/2011 | BAULKHAM HILLS | NSW | 6 | 412 | 371 |
| 03/10/2011 | NSW Championships | NSW | 22 | 383 | 346 |
| 28/01/2013 | CITY OF SYDNEY MASTERS | NSW | 22 | 375 | 327 |
| Head-to-head after 8 games | 5 | 3 | |||
| Average score | 390.50 | 364.62 | |||
| Spread | 207 | -207 | |||