| Tournament | Round | Di Martin | Joan Ashton |
| 30.04.2006 April Tournament (SA) | 6 | 327 | 302 |
| 28.04.2007 SA April Tournament (SA) | 3 | 394 | 277 |
| 20.10.2007 SA October Tournament (SA) | 6 | 342 | 334 |
| 18.11.2007 Brighton November (SA) | 1 | 350 | 266 |
| 26.07.2008 SA July Tournament (SA) | 1 | 517 | 321 |
| 07.03.2010 SA Championship (SA) | 4 | 505 | 221 |
| 14.08.2010 August (SA) | 3 | 318 | 261 |
| Head-to-head after 7 games | 7 | 0 | |
| Average score | 393.28 | 283.14 | |
| Spread: | 771 | -771 | |