| Date | Tournament | State | Round | Colleen Walker | Olga Visser |
|---|---|---|---|---|---|
| 05/02/2006 | Kempsey Challenge | NSW | 9 | 319 | 401 |
| 01/10/2007 | New South Wales Champs | NSW | 1 | 276 | 453 |
| 01/10/2007 | New South Wales Champs | NSW | 22 | 254 | 506 |
| 03/02/2008 | Kempsey Challenge & Cup | NSW | 6 | 428 | 374 |
| 25/01/2009 | City of Sydney International Masters | NSW | 8 | 374 | 431 |
| 25/01/2009 | City of Sydney International Masters | NSW | 19 | 294 | 431 |
| 11/04/2009 | AUST CHAMPIONSHIP | WA | 24 | 403 | 367 |
| 05/10/2009 | NSW CHAMPIONSHIPS | NSW | 2 | 317 | 400 |
| 05/04/2010 | Aus Championship | SA | 22 | 290 | 425 |
| 04/10/2010 | NSW Championships | NSW | 14 | 350 | 441 |
| 23/10/2010 | Redcliffe Saturday | QLD | 6 | 463 | 347 |
| 30/01/2011 | City of Sydney International Masters | NSW | 8 | 418 | 384 |
| 17/07/2011 | Winter Masters | NSW | 20 | 370 | 451 |
| 03/10/2011 | NSW Championships | NSW | 11 | 428 | 334 |
| 01/10/2012 | NSW Championships | NSW | 8 | 458 | 347 |
| 21/04/2014 | Australian Championship | NSW | 7 | 413 | 484 |
| Head-to-head after 16 games | 6 | 10 | |||
| Average score | 365.94 | 411.00 | |||
| Spread | -721 | 721 | |||