| Tournament | Round | Carol Colwill | Bronwyn Piechnick |
| 24.10.2009 October SA (SA) | 4 | 316 | 319 |
| 14.08.2010 August (SA) | 4 | 363 | 413 |
| 27.02.2011 February Pub Tourney (SA) | 2 | 350 | 300 |
| 27.03.2011 March Pub Tourney (SA) | 1 | 311 | 290 |
| 29.05.2011 May Pub Tourney (SA) | 5 | 322 | 283 |
| 18.06.2011 SA June (SA) | 3 | 304 | 305 |
| 09.07.2011 SA July (SA) | 5 | 327 | 338 |
| 31.07.2011 July Pub Tourney (SA) | 4 | 388 | 346 |
| 13.08.2011 August (SA) | 2 | 335 | 305 |
| 30.06.2012 CHOOKHOUSE FUNDRAISER (SA) | 1 | 364 | 330 |
| 07.10.2012 Vic/SA Border Challenge (VIC) | 7 | 393 | 278 |
| 05.01.2019 January Pub Tourney (SA) | 1 | 436 | 359 |
| Head-to-head after 12 games | 8 | 4 | |
| Average score | 350.75 | 322.16 | |