| Tournament | Round | Dorrie Balgera | Bettina Tonkin |
| 11.07.1999 Western Australian Masters (WA) | 8 | 342 | 349 |
| 27.03.2000 Nedlands (WA) | 6 | 279 | 324 |
| 13.08.2000 Western Australian Masters (WA) | 5 | 470 | 298 |
| 10.08.2002 Western Australian Masters (WA) | 5 | 390 | 340 |
| 30.03.2003 Praxis (WA) | 3 | 371 | 394 |
| 06.02.2005 Fremantle (WA) | 1 | 375 | 367 |
| Head-to-head after 6 games | 3 | 3 | |
| Average score | 371.16 | 345.33 | |
| Spread: | 155 | -155 | |