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