| Tournament | Round | Colleen Walker | Hari Nanayakkara |
| 11.09.2005 Hills Open (NSW) | 3 | 405 | 371 |
| 14.01.2007 Baulkham Hills Kick-Off (NSW) | 1 | 431 | 315 |
| 17.02.2007 Wollongong (NSW) | 8 | 383 | 373 |
| 04.03.2007 Balmain (NSW) | 4 | 376 | 361 |
| 07.07.2007 Chatswood (NSW) | 5 | 550 | 357 |
| 01.09.2007 Oatlands (NSW) | 6 | 430 | 324 |
| 16.02.2008 Wollongong WORDS Round Robin (NSW) | 6 | 393 | 440 |
| 02.03.2008 Balmain BUGS (NSW) | 2 | 467 | 306 |
| 02.01.2010 Janboree (NSW) | 8 | 424 | 362 |
| 11.09.2011 BAULKHAM HILLS (NSW) | 1 | 425 | 465 |
| 01.10.2012 NSW Championships (NSW) | 5 | 392 | 413 |
| Head-to-head after 11 games | 8 | 3 | |
| Average score | 425.09 | 371.54 | |
| Spread: | 589 | -589 | |