| Date | Tournament | State | Round | Chris Ostrowski | Colleen Walker |
|---|---|---|---|---|---|
| 09/09/2007 | Hills Open | NSW | 6 | 336 | 335 |
| 31/08/2008 | Oatlands | NSW | 5 | 319 | 370 |
| 11/01/2009 | Baulkham Hills Yearly Nearly Early | NSW | 3 | 320 | 415 |
| 04/04/2009 | Blacktown | NSW | 2 | 352 | 439 |
| 29/08/2009 | War of the Words | NSW | 3 | 383 | 382 |
| 31/10/2009 | Nowra 2009 | NSW | 11 | 341 | 375 |
| 02/01/2010 | Janboree | NSW | 7 | 342 | 426 |
| 23/01/2010 | CITY OF SYDNEY | NSW | 3 | 322 | 426 |
| 23/01/2010 | CITY OF SYDNEY | NSW | 17 | 392 | 383 |
| 27/02/2010 | Matchplay Qualifier | NSW | 3 | 419 | 307 |
| 01/05/2010 | SYDNEY WEST 2010 | NSW | 7 | 265 | 416 |
| 04/07/2010 | Winter Challenge | NSW | 10 | 385 | 293 |
| 04/07/2010 | Winter Challenge | NSW | 14 | 407 | 407 |
| 21/11/2010 | Central Coast Championships | NSW | 3 | 425 | 371 |
| 21/11/2010 | Central Coast Championships | NSW | 11 | 373 | 341 |
| 19/02/2011 | Wollongong Round Robins | NSW | 3 | 373 | 417 |
| 25/04/2011 | Aus Championship | ACT | 10 | 387 | 431 |
| 25/04/2011 | Aus Championship | ACT | 17 | 410 | 340 |
| 17/07/2011 | Winter Masters | NSW | 3 | 356 | 372 |
| 17/07/2011 | Winter Masters | NSW | 12 | 430 | 286 |
| 28/08/2011 | WSC Rep Fundraiser | NSW | 6 | 379 | 353 |
| 05/05/2012 | Sydney West | NSW | 6 | 370 | 296 |
| 22/07/2012 | Winter Masters | NSW | 17 | 325 | 442 |
| 04/11/2012 | Nowra | NSW | 6 | 358 | 444 |
| 18/08/2013 | Baulkham Hills Open | NSW | 3 | 372 | 317 |
| 07/10/2013 | NSW Champs | NSW | 9 | 394 | 289 |
| 07/10/2013 | NSW Champs | NSW | 17 | 355 | 400 |
| 20/07/2014 | Winter Masters | NSW | 14 | 398 | 366 |
| 24/08/2014 | Hills Open | NSW | 4 | 394 | 377 |
| 06/10/2014 | NSW Championships | NSW | 18 | 378 | 323 |
| Head-to-head after 30 games | 16.5 | 13.5 | |||
| Average score | 368.67 | 371.30 | |||
| Spread | -79 | 79 | |||