| Tournament | Round | Patti Ashwin | Robin Andersen |
| 12.04.2004 Australian Championships (ACT) | 7 | 397 | 397 |
| 28.03.2005 Australian Championships (TAS) | 16 | 256 | 529 |
| 05.04.2010 Aus Championship (SA) | 19 | 378 | 427 |
| Head-to-head after 3 games | 0.5 | 2.5 | |
| Average score | 343.66 | 451 | |
| Spread: | -322 | 322 | |