| Tournament | Round | Joan Rosenthal | Margaret Andrews |
| 27.01.2001 City of Sydney International Masters (NSW) | 10 | 498 | 298 |
| 27.01.2002 City of Sydney International Masters (NSW) | 3 | 494 | 315 |
| 18.03.2006 Wyong (NSW) | 4 | 381 | 377 |
| 12.04.2008 Matchplay Qualifier (NSW) | 1 | 432 | 321 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 451.25 | 327.75 | |
| Spread: | 494 | -494 | |