| Date | Tournament | State | Round | Chris Ostrowski | Joan Buchanan |
|---|---|---|---|---|---|
| 15/07/2007 | Winter Challenge | NSW | 3 | 329 | 407 |
| 03/05/2008 | Sydney West | NSW | 4 | 363 | 305 |
| 11/07/2009 | Glenbrook WYSC Fundraiser | NSW | 7 | 297 | 341 |
| 31/10/2009 | Nowra 2009 | NSW | 3 | 451 | 489 |
| 19/06/2010 | Wollongong WORDS Winter | NSW | 5 | 460 | 301 |
| Head-to-head after 5 games | 2 | 3 | |||
| Average score | 380.00 | 368.60 | |||
| Spread | 57 | -57 | |||