| Tournament | Round | Robin Duncan | Hanne Marks |
| 14.07.2001 Chatswood (NSW) | 6 | 478 | 373 |
| 05.07.2003 Chatswood (NSW) | 1 | 365 | 336 |
| 06.03.2004 Balmain BUGS (NSW) | 4 | 441 | 331 |
| 29.10.2005 Sydney Club Silver Jubilee (NSW) | 6 | 390 | 372 |
| 13.09.2008 Sydney Club (NSW) | 1 | 437 | 343 |
| 15.11.2009 Sydney Club (NSW) | 3 | 405 | 290 |
| 12.12.2010 Sydney Club 2010 (NSW) | 1 | 441 | 357 |
| Head-to-head after 7 games | 7 | 0 | |
| Average score | 422.42 | 343.14 | |
| Spread: | 555 | -555 | |