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