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