| Tournament | Round | Joan Rosenthal | Sam Greenberg |
| 13.02.1999 Wollongong (NSW) | 2 | 453 | 303 |
| 10.03.2002 Balmain BUGS (NSW) | 2 | 422 | 354 |
| 06.10.2003 NSW Championships (NSW) | 8 | 423 | 357 |
| 04.08.2007 WSC Fundraiser (NSW) | 3 | 444 | 408 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 435.5 | 355.5 | |
| Spread: | 320 | -320 | |