| Tournament | Round | Rob Marotta | Glenys Dettmann |
| 16.10.2011 SA/Vic Border Challenge (SA) | 3 | 282 | 385 |
| 30.03.2014 Nunawading (VIC) | 6 | 429 | 311 |
| 09.06.2014 Vic Champs (VIC) | 15 | 398 | 321 |
| 19.10.2014 SA/Vic Border Challenge (VIC) | 7 | 382 | 356 |
| 18.10.2015 SA/Vic Border Challenge (SA) | 10 | 358 | 355 |
| Head-to-head after 5 games | 4 | 1 | |
| Average score | 369.8 | 345.6 | |
| Spread: | 121 | -121 | |