| Tournament | Round | Marge Roberts | Ann Simms |
| 19.05.2013 MELVILLE (WA) | 2 | 322 | 326 |
| 31.07.2016 Bassendean (WA) | 7 | 438 | 337 |
| 09.10.2016 Rockingham (WA) | 6 | 401 | 299 |
| 08.10.2017 Rockingham (WA) | 4 | 386 | 374 |
| 19.08.2018 COOGEE (WA) | 5 | 324 | 304 |
| 07.10.2018 Rockingham (WA) | 4 | 316 | 390 |
| Head-to-head after 6 games | 4 | 2 | |
| Average score | 364.5 | 338.33 | |
| Spread: | 157 | -157 | |