| Tournament | Round | Dorrie Balgera | Karen Richards |
| 20.09.1998 Advanced Intermediate Recreation (WA) | 4 | 374 | 391 |
| 30.05.1999 Melville (WA) | 3 | 333 | 313 |
| 26.05.2002 Melville (WA) | 1 | 302 | 430 |
| 10.08.2002 Western Australian Masters (WA) | 2 | 264 | 587 |
| 10.02.2002 Fremantle (WA) | 3 | 359 | 351 |
| 02.02.2003 Fremantle (WA) | 2 | 317 | 319 |
| 30.03.2003 Praxis (WA) | 8 | 429 | 368 |
| Head-to-head after 7 games | 3 | 4 | |
| Average score | 339.71 | 394.14 | |
| Spread: | -381 | 381 | |