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