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