| Tournament | Round | Joan Rosenthal | Janine Whittaker |
| 16.10.2004 Spring Marathon (NSW) | 8 | 403 | 352 |
| 16.10.2010 Spring Marathon (NSW) | 1 | 438 | 372 |
| 23.10.2011 Spring Marathon (NSW) | 3 | 410 | 346 |
| 21.03.2015 BEECROFT MARATHON (NSW) | 10 | 388 | 295 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 409.75 | 341.25 | |
| Spread: | 274 | -274 | |