| Tournament | Round | Ron Champness | Marlene Brown |
| 28.04.2007 SA April Tournament (SA) | 2 | 340 | 330 |
| 23.09.2007 September Tournament (SA) | 3 | 242 | 352 |
| 03.02.2008 SA February Tournament (SA) | 4 | 350 | 235 |
| 22.05.2008 SA May Tournament (SA) | 2 | 323 | 341 |
| 28.12.08 SA Leftovers (SA) | 6 | 353 | 406 |
| 08.02.2009 SA February Tournament (SA) | 2 | 343 | 342 |
| 25.07.2009 July (SA) | 2 | 369 | 312 |
| 24.10.2009 October SA (SA) | 6 | 377 | 298 |
| 15.05.2010 SA May (SA) | 2 | 411 | 296 |
| 19.06.2010 SA June (SA) | 5 | 252 | 443 |
| 28.12.2010 Xmas Leftovers (SA) | 2 | 295 | 288 |
| 16.04.2011 SA April (SA) | 1 | 398 | 323 |
| 27.12.2011 Christmas Leftovers (SA) | 1 | 364 | 325 |
| 26.01.2013 SA January (SA) | 4 | 418 | 327 |
| 28.12.2015 Christmas Leftovers (SA) | 1 | 298 | 368 |
| Head-to-head after 15 games | 10 | 5 | |
| Average score | 342.2 | 332.4 | |
| Spread: | 147 | -147 | |