| Tournament | Round | Bronwyn Piechnick | Val Stone |
| 18.04.2009 SA April Tournament (SA) | 2 | 249 | 446 |
| 19.06.2010 SA June (SA) | 3 | 256 | 399 |
| 27.06.2010 June Pub Tourney (SA) | 5 | 363 | 291 |
| 28.12.2010 Xmas Leftovers (SA) | 1 | 340 | 350 |
| 18.06.2011 SA June (SA) | 6 | 318 | 327 |
| 27.11.2011 November Pub Tourney (SA) | 4 | 298 | 323 |
| 07.07.2012 SA July (SA) | 6 | 472 | 281 |
| 26.12.2012 Christmas Leftovers (SA) | 3 | 347 | 314 |
| 13.04.2013 SA April (SA) | 3 | 352 | 383 |
| Head-to-head after 9 games | 3 | 6 | |
| Average score | 332.77 | 346 | |
| Spread: | -119 | 119 | |