| Tournament | Round | Sharon Sorensen | Joan Rosenthal |
| 14.02.2004 Matchplay Qualifier (NSW) | 1 | 348 | 378 |
| 18.03.2006 Wyong (NSW) | 1 | 381 | 336 |
| 28.08.2011 WSC Rep Fundraiser (NSW) | 4 | 350 | 440 |
| 14.10.2012 SPRING MARATHON (NSW) | 6 | 376 | 504 |
| 28.09.2013 SCT Fundraiser (NSW) | 1 | 405 | 363 |
| 18.05.2014 Ulladulla (NSW) | 7 | 362 | 442 |
| 21.03.2015 BEECROFT MARATHON (NSW) | 12 | 272 | 384 |
| Head-to-head after 7 games | 2 | 5 | |
| Average score | 356.28 | 406.71 | |
| Spread: | -353 | 353 | |