| Tournament | Round | Nancy Sparling | Rowena Vnuk |
| 22.06.2008 SA June Tournament (SA) | 1 | 450 | 400 |
| 27.09.2009 September (SA) | 3 | 331 | 483 |
| 14.11.2009 Southern Tournament (SA) | 4 | 382 | 430 |
| 28.12.2010 Xmas Leftovers (SA) | 1 | 356 | 318 |
| 15.09.2012 SA September (SA) | 1 | 376 | 359 |
| 03.11.2012 SA November (SA) | 5 | 422 | 385 |
| 28.12.2013 Christmas Leftovers (SA) | 4 | 456 | 303 |
| 28.12.2016 Xmas Leftovers (SA) | 3 | 460 | 295 |
| 15.12.2018 Dec Seaford Fundraiser (SA) | 5 | 442 | 398 |
| 25.03.2023 Seaford March (SA) | 1 | 305 | 376 |
| Head-to-head after 10 games | 7 | 3 | |
| Average score | 398 | 374.7 | |
| Spread: | 233 | -233 | |