| Tournament | Round | Colleen Walker | Joan Buchanan |
| 16.07.2005 Winter Challenge (NSW) | 7 | 374 | 324 |
| 27.08.2005 Revesby (NSW) | 5 | 403 | 291 |
| 19.08.2006 Revesby (NSW) | 1 | 312 | 350 |
| 31.03.2007 Blacktown (NSW) | 6 | 382 | 270 |
| 20.05.2007 Ulladulla 2007 (NSW) | 2 | 299 | 362 |
| 04.08.2007 WSC Fundraiser (NSW) | 6 | 396 | 380 |
| 27.10.2007 Sydney (NSW) | 8 | 360 | 345 |
| 16.02.2008 Wollongong WORDS Round Robin (NSW) | 2 | 397 | 318 |
| 31.10.2009 Nowra 2009 (NSW) | 9 | 366 | 439 |
| 04.07.2010 Winter Challenge (NSW) | 5 | 544 | 303 |
| 26.09.2010 Moss Vale (NSW) | 1 | 400 | 362 |
| Head-to-head after 11 games | 8 | 3 | |
| Average score | 384.81 | 340.36 | |
| Spread: | 489 | -489 | |