| Tournament | Round | Patti Ashwin | Susan Roberts |
| 01.04.2013 Australian Championship (QLD) | 8 | 356 | 424 |
| 01.04.2013 Australian Championship (QLD) | 19 | 458 | 338 |
| 28.03.2016 Australian Championship (SA) | 14 | 339 | 368 |
| 17.04.2017 National Championship (WA) | 15 | 380 | 445 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 383.25 | 393.75 | |
| Spread: | -42 | 42 | |