| Tournament | Round | Rowena Vnuk | Nancy Sparling |
| 22.06.2008 SA June Tournament (SA) | 1 | 400 | 450 |
| 27.09.2009 September (SA) | 3 | 483 | 331 |
| 14.11.2009 Southern Tournament (SA) | 4 | 430 | 382 |
| 28.12.2010 Xmas Leftovers (SA) | 1 | 318 | 356 |
| 15.09.2012 SA September (SA) | 1 | 359 | 376 |
| 03.11.2012 SA November (SA) | 5 | 385 | 422 |
| 28.12.2013 Christmas Leftovers (SA) | 4 | 303 | 456 |
| 28.12.2016 Xmas Leftovers (SA) | 3 | 295 | 460 |
| 15.12.2018 Dec Seaford Fundraiser (SA) | 5 | 398 | 442 |
| 25.03.2023 Seaford March (SA) | 1 | 376 | 305 |
| Head-to-head after 10 games | 3 | 7 | |
| Average score | 374.7 | 398 | |