| Tournament | Round | Joan Rosenthal | Barbara Berlin |
| 05.10.1998 New South Wales Championships (NSW) | 11 | 457 | 344 |
| 05.10.1998 New South Wales Championships (NSW) | 20 | 589 | 288 |
| 22.04.2000 Australian Championships (QLD) | 3 | 391 | 464 |
| 01.04.2002 Australian Championships (WA) | 13 | 486 | 297 |
| 27.01.2003 City of Sydney International Masters (NSW) | 12 | 429 | 429 |
| 21.04.2003 Australian Championships (SA) | 8 | 449 | 403 |
| Head-to-head after 6 games | 4.5 | 1.5 | |
| Average score | 466.83 | 370.83 | |
| Spread: | 576 | -576 | |