| Tournament | Round | Margaret Bishop | Eileen Koops |
| 06.07.2003 East Coast (TAS) | 1 | 464 | 211 |
| 06.02.2010 Ulverstone 2010 (TAS) | 11 | 372 | 371 |
| 17.05.2015 Scamander (TAS) | 12 | 340 | 236 |
| 29.05.2016 East Coast (TAS) | 11 | 310 | 399 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 371.5 | 304.25 | |
| Spread: | 269 | -269 | |