| Tournament | Round | Susan Roberts | Di Martin |
| 15.04.2012 SA April (SA) | 2 | 332 | 309 |
| 04.08.2012 SA August (SA) | 3 | 358 | 385 |
| 26.12.2012 Christmas Leftovers (SA) | 4 | 410 | 427 |
| 18.05.2013 SA May (SA) | 1 | 405 | 309 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 376.25 | 357.5 | |
| Spread: | 75 | -75 | |