| Date | Tournament | State | Round | Dianne Ward | Kate Horan |
|---|---|---|---|---|---|
| 12/07/1998 | WA Masters | WA | 9 | 326 | 401 |
| 25/04/1999 | Nedlands | WA | 5 | 419 | 390 |
| 17/10/1999 | Rockingham | WA | 6 | 455 | 395 |
| 13/02/2000 | Fremantle | WA | 3 | 368 | 441 |
| 27/03/2000 | Nedlands | WA | 1 | 343 | 412 |
| 13/08/2000 | Western Australian Masters | WA | 12 | 385 | 293 |
| 08/10/2000 | Rockingham | WA | 2 | 375 | 318 |
| 11/03/2001 | Bunbury | WA | 3 | 520 | 362 |
| 02/09/2001 | Western Australian Masters | WA | 13 | 388 | 363 |
| 13/01/2002 | WA Open | WA | 5 | 334 | 289 |
| 21/04/2002 | Nedlands | WA | 2 | 368 | 345 |
| 14/07/2002 | Bassendean | WA | 1 | 494 | 325 |
| 10/08/2002 | Western Australian Masters | WA | 14 | 410 | 332 |
| 10/02/2002 | Fremantle | WA | 1 | 326 | 405 |
| 02/02/2003 | Fremantle | WA | 6 | 442 | 301 |
| 16/03/2003 | Bunbury | WA | 3 | 416 | 350 |
| 31/05/2003 | Western Australian Championships | WA | 11 | 412 | 322 |
| 13/07/2003 | Bassendean | WA | 1 | 418 | 312 |
| 30/11/2003 | Hamersley | WA | 4 | 373 | 308 |
| 08/02/2004 | Fremantle | WA | 3 | 409 | 366 |
| 29/02/2004 | Kwinana | WA | 5 | 457 | 336 |
| 12/04/2004 | Australian Championships | ACT | 7 | 358 | 462 |
| 30/05/2004 | Melville | WA | 6 | 446 | 270 |
| 19/06/2004 | Western Australian Championships | WA | 7 | 492 | 327 |
| 17/10/2004 | Rockingham | WA | 6 | 346 | 333 |
| 10/04/2005 | Nedlands | WA | 1 | 378 | 414 |
| 06/06/2005 | Western Australian Championships | WA | 9 | 359 | 322 |
| 06/06/2005 | Western Australian Championships | WA | 15 | 359 | 408 |
| 23/10/2005 | Rockingham | WA | 1 | 317 | 367 |
| 05/02/2006 | Fremantle | WA | 7 | 536 | 308 |
| 09/04/2006 | Nedlands | WA | 1 | 359 | 350 |
| 20/08/2006 | Yokine | WA | 3 | 412 | 331 |
| 23/09/2007 | Maximin | WA | 1 | 364 | 314 |
| 30/09/2007 | Pinjarra | WA | 3 | 450 | 278 |
| 04/11/2007 | Coogee 2007 | WA | 1 | 485 | 360 |
| 06/04/2008 | MAXIMIN APRIL | WA | 1 | 372 | 512 |
| 01/06/2008 | WA Championships | WA | 12 | 506 | 333 |
| 13/07/2008 | Bassendean 2008 | WA | 5 | 485 | 351 |
| 03/08/2008 | AUGUST 2008 OPEN | WA | 7 | 376 | 403 |
| 24/08/2008 | Rockingham | WA | 1 | 444 | 354 |
| 21/09/2008 | YOKINE 2008 | WA | 3 | 449 | 367 |
| 18/01/2009 | SUMMER MAXIMIN | WA | 6 | 437 | 411 |
| 14/02/2010 | Fremantle 2010 | WA | 3 | 509 | 373 |
| 16/05/2010 | MELVILLE MAY 2010 | WA | 1 | 483 | 338 |
| 25/07/2010 | BASSENDEAN 2010 | WA | 2 | 381 | 330 |
| 19/09/2010 | YOKINE 2010 | WA | 1 | 463 | 307 |
| 06/06/2011 | WA Championship | WA | 15 | 414 | 347 |
| 26/08/2012 | Rockingham | WA | 6 | 419 | 336 |
| 19/05/2013 | MELVILLE | WA | 5 | 383 | 332 |
| 03/06/2013 | WA Championship | WA | 4 | 432 | 377 |
| 28/07/2013 | BASSENDEAN | WA | 2 | 478 | 383 |
| 06/12/2015 | OPEN6DEC | WA | 2 | 457 | 358 |
| 30/10/2016 | OCTOP16 | WA | 1 | 417 | 399 |
| Head-to-head after 53 games | 43 | 10 | |||
| Average score | 415.17 | 355.11 | |||
| Spread | 3183 | -3183 | |||