| Tournament | Round | Marion Parsons | Val Stone |
| 26.07.2008 SA July Tournament (SA) | 6 | 274 | 374 |
| 26.12.2012 Christmas Leftovers (SA) | 5 | 320 | 260 |
| 07.02.2015 Fundraising Tournament (SA) | 3 | 298 | 313 |
| Head-to-head after 3 games | 1 | 2 | |
| Average score | 297.33 | 315.66 | |
| Spread: | -55 | 55 | |