| Tournament | Round | Mary Slater | Emanuel Atsas |
| 19.08.2006 SA August Tournament (SA) | 6 | 233 | 289 |
| 16.06.2006 June (SA) | 4 | 285 | 255 |
| 22.07.2007 SA July Tournament (SA) | 3 | 327 | 321 |
| 18.08.2007 August Tournament (SA) | 6 | 363 | 299 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 302 | 291 | |
| Spread: | 44 | -44 | |