| Tournament | Round | Joan Rosenthal | Robin Duncan |
| 14.02.1998 Wollongong WORDS Valentine (NSW) | 3 | 410 | 269 |
| 15.08.1998 Revesby (NSW) | 4 | 276 | 355 |
| 12.12.1998 North Shore (NSW) | 7 | 368 | 318 |
| 17.01.1999 Baulkham Hills (NSW) | 3 | 365 | 256 |
| 08.05.1999 Hassall Grove (NSW) | 5 | 380 | 295 |
| 10.07.1999 Chatswood (NSW) | 3 | 452 | 293 |
| 14.08.1999 Revesby (NSW) | 4 | 346 | 320 |
| 16.01.2000 Baulkham Hills Kickoff (NSW) | 2 | 355 | 338 |
| 05.03.2000 Balmain Bugs (NSW) | 4 | 330 | 410 |
| 18.11.2000 Sydney (NSW) | 2 | 369 | 385 |
| 09.11.2003 Sydney (NSW) | 3 | 377 | 443 |
| 13.11.2004 Sydney (NSW) | 5 | 474 | 363 |
| 05.03.2006 Balmain BUGS (NSW) | 3 | 406 | 464 |
| 27.10.2007 Sydney (NSW) | 2 | 348 | 373 |
| 28.09.2008 Revesby WYSC Fundraiser (NSW) | 6 | 499 | 384 |
| 14.12.2008 WAITARA CHRISTMAS 2008 (NSW) | 4 | 330 | 376 |
| 03.01.2009 Janboree (NSW) | 1 | 395 | 281 |
| 11.01.2009 Baulkham Hills Yearly Nearly Early (NSW) | 6 | 457 | 374 |
| 01.03.2009 Balmain BUGS (NSW) | 3 | 455 | 328 |
| 15.11.2009 Sydney Club (NSW) | 7 | 442 | 401 |
| 07.03.2010 Balmain BUGS (NSW) | 2 | 406 | 406 |
| 12.12.2010 Sydney Club 2010 (NSW) | 5 | 374 | 365 |
| Head-to-head after 22 games | 14.5 | 7.5 | |
| Average score | 391.54 | 354.4 | |
| Spread: | 817 | -817 | |