| Tournament | Round | Marge Roberts | Trudi Owens |
| 10.09.2000 Yokine (WA) | 3 | 314 | 464 |
| 10.02.2002 Fremantle (WA) | 2 | 319 | 456 |
| 03.06.2013 WA Championship (WA) | 4 | 305 | 355 |
| 03.06.2013 WA Championship (WA) | 17 | 314 | 322 |
| Head-to-head after 4 games | 0 | 4 | |
| Average score | 313 | 399.25 | |
| Spread: | -345 | 345 | |