| Tournament | Round | Marvi Delfin | Bettina Tonkin |
| 23.01.2011 Summer Maximin (WA) | 6 | 342 | 377 |
| 01.05.2011 MELVILLE MAY (WA) | 2 | 385 | 351 |
| 23.10.2011 Coogee 2011 (WA) | 4 | 526 | 245 |
| 11.12.2011 DEC OPEN (WA) | 6 | 337 | 326 |
| 05.02.2012 FREMANTLE (WA) | 3 | 394 | 440 |
| 22.04.2012 ANZAC MAXIMIN (WA) | 5 | 406 | 359 |
| Head-to-head after 6 games | 4 | 2 | |
| Average score | 398.33 | 349.66 | |
| Spread: | 292 | -292 | |