| Date | Tournament | State | Round | Chris Ostrowski | Barbara Joffe |
|---|---|---|---|---|---|
| 04/10/2008 | NSW CHAMPIONSHIPS 08 | NSW | 6 | 379 | 389 |
| 04/10/2008 | NSW CHAMPIONSHIPS 08 | NSW | 15 | 324 | 379 |
| 13/06/2009 | Wollongong Winter | NSW | 4 | 395 | 421 |
| 08/08/2009 | Empire Bay | NSW | 1 | 425 | 334 |
| 02/01/2010 | Janboree | NSW | 6 | 298 | 364 |
| 13/02/2010 | Wollongong Round Robins | NSW | 4 | 406 | 371 |
| 01/05/2010 | SYDNEY WEST 2010 | NSW | 1 | 392 | 347 |
| 27/02/2011 | Matchplay Qualifier | NSW | 5 | 429 | 421 |
| 06/03/2011 | BUGS 2011 | NSW | 7 | 400 | 301 |
| 20/08/2011 | Oatlands War of the Words | NSW | 7 | 352 | 335 |
| 11/09/2011 | BAULKHAM HILLS | NSW | 7 | 370 | 397 |
| 04/03/2012 | Balmain BUGS | NSW | 4 | 409 | 305 |
| 09/12/2012 | SYDNEY CLUB | NSW | 6 | 313 | 379 |
| 01/06/2013 | CENTRAL COAST | NSW | 4 | 384 | 438 |
| 14/12/2013 | Spot Prize December | NSW | 5 | 317 | 332 |
| 30/01/2022 | City of Sydney Masters | NSW | 2 | 383 | 395 |
| 30/01/2022 | City of Sydney Masters | NSW | 15 | 511 | 280 |
| 07/01/2023 | JANBOREE | NSW | 5 | 427 | 400 |
| Head-to-head after 18 games | 9 | 9 | |||
| Average score | 384.11 | 366.00 | |||
| Spread | 326 | -326 | |||