| Date | Tournament | State | Round | Anne Stewart | Marge Roberts |
|---|---|---|---|---|---|
| 01/06/2008 | WA Championships | WA | 5 | 446 | 288 |
| 06/06/2016 | WA Championship | WA | 1 | 359 | 354 |
| 03/06/2019 | WA Championship | WA | 1 | 330 | 294 |
| 06/08/2023 | Glenys Lawrie Memorial | WA | 3 | 342 | 334 |
| 12/01/2025 | January Open | WA | 3 | 438 | 320 |
| 01/06/2025 | WA Championship 2025 | WA | 1 | 440 | 339 |
| Head-to-head after 6 games | 6 | 0 | |||
| Average score | 392.50 | 321.50 | |||
| Spread | 426 | -426 | |||