| Tournament | Round | Raya Wilkinson | Chris Ostrowski |
| 02.11.2008 Nowra Bomaderry 2008 (NSW) | 9 | 314 | 450 |
| 11.01.2009 Baulkham Hills Yearly Nearly Early (NSW) | 5 | 402 | 389 |
| 15.03.2009 Bomaderry March 2009 (NSW) | 7 | 382 | 381 |
| 05.07.2009 Winter Challenge (NSW) | 14 | 431 | 318 |
| 03.07.2011 Winter Challenge (NSW) | 7 | 344 | 416 |
| 11.09.2011 BAULKHAM HILLS (NSW) | 6 | 371 | 412 |
| 03.10.2011 NSW Championships (NSW) | 22 | 346 | 383 |
| 28.01.2013 CITY OF SYDNEY MASTERS (NSW) | 22 | 327 | 375 |
| Head-to-head after 8 games | 3 | 5 | |
| Average score | 364.62 | 390.5 | |
| Spread: | -207 | 207 | |