| Tournament | Round | Colleen Birch | Hari Nanayakkara |
| 10.03.2002 Balmain BUGS (NSW) | 4 | 314 | 351 |
| 31.08.2003 Baulkham Hills Open (NSW) | 5 | 371 | 378 |
| 04.03.2007 Balmain (NSW) | 1 | 469 | 356 |
| 11.09.2011 BAULKHAM HILLS (NSW) | 3 | 391 | 348 |
| 19.08.2012 Baulkham Hills Open (NSW) | 4 | 423 | 327 |
| Head-to-head after 5 games | 3 | 2 | |
| Average score | 393.6 | 352 | |
| Spread: | 208 | -208 | |