| Tournament | Round | Betty Mitchell | Ron Champness |
| 28.04.2007 SA April Tournament (SA) | 5 | 306 | 345 |
| 20.05.2007 May Tournament (SA) | 5 | 371 | 346 |
| 23.09.2007 September Tournament (SA) | 1 | 271 | 328 |
| 20.10.2007 SA October Tournament (SA) | 3 | 261 | 356 |
| 03.02.2008 SA February Tournament (SA) | 3 | 295 | 363 |
| 28.12.08 SA Leftovers (SA) | 3 | 315 | 395 |
| 25.07.2009 July (SA) | 3 | 361 | 333 |
| 19.06.2010 SA June (SA) | 4 | 389 | 275 |
| 16.04.2011 SA April (SA) | 2 | 310 | 398 |
| 22.05.2011 SA May (SA) | 3 | 296 | 369 |
| 13.08.2011 August (SA) | 2 | 340 | 357 |
| 17.09.2011 SA September (SA) | 5 | 342 | 248 |
| Head-to-head after 12 games | 4 | 8 | |
| Average score | 321.41 | 342.75 | |
| Spread: | -256 | 256 | |