| Tournament | Round | Barbara Senior | Merle Sharrock |
| 22.05.2005 May (SA) | 5 | 373 | 346 |
| 17.06.2006 SA June Tournament (SA) | 2 | 331 | 332 |
| 28.04.2007 SA April Tournament (SA) | 6 | 342 | 347 |
| 03.02.2008 SA February Tournament (SA) | 4 | 358 | 319 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 351 | 336 | |
| Spread: | 60 | -60 | |