| Tournament | Round | Kate Horan | Dorrie Balgera |
| 12.07.1998 WA Masters (WA) | 2 | 277 | 284 |
| 20.09.1998 Advanced Intermediate Recreation (WA) | 3 | 318 | 380 |
| 17.01.1999 WA Open (WA) | 7 | 342 | 345 |
| 11.07.1999 Western Australian Masters (WA) | 11 | 429 | 304 |
| 13.02.2000 Fremantle (WA) | 5 | 463 | 328 |
| 13.08.2000 Western Australian Masters (WA) | 7 | 373 | 385 |
| 27.05.2001 Melville (WA) | 3 | 329 | 399 |
| 13.01.2002 WA Open (WA) | 4 | 392 | 365 |
| 21.04.2002 Nedlands (WA) | 6 | 376 | 276 |
| 10.08.2002 Western Australian Masters (WA) | 11 | 434 | 371 |
| 08.09.2002 Yokine (WA) | 2 | 398 | 329 |
| 06.02.2005 Fremantle (WA) | 6 | 334 | 438 |
| 20.08.2006 Yokine (WA) | 7 | 333 | 416 |
| 21.01.2007 January Maximin (WA) | 3 | 382 | 285 |
| 26.04.2009 Anzac Maximin (WA) | 3 | 353 | 268 |
| 17.05.2009 Melville (WA) | 7 | 395 | 407 |
| 19.09.2010 YOKINE 2010 (WA) | 2 | 292 | 391 |
| 02.10.2011 October Open (WA) | 2 | 392 | 403 |
| Head-to-head after 18 games | 8 | 10 | |
| Average score | 367.33 | 354.11 | |
| Spread: | 238 | -238 | |