| Date | Tournament | State | Round | Margaret Andrews | Trish Windhurst |
|---|---|---|---|---|---|
| 12/07/1998 | Chatswood | NSW | 1 | 365 | 394 |
| 15/08/1998 | Revesby | NSW | 5 | 294 | 342 |
| 05/10/1998 | New South Wales Championships | NSW | 10 | 302 | 508 |
| 05/10/1998 | New South Wales Championships | NSW | 14 | 309 | 419 |
| 12/12/1998 | North Shore | NSW | 2 | 416 | 334 |
| 17/01/1999 | Baulkham Hills | NSW | 7 | 320 | 477 |
| 10/07/1999 | Chatswood | NSW | 5 | 370 | 338 |
| 04/10/1999 | New South Wales Championships | NSW | 4 | 260 | 404 |
| 07/10/2002 | New South Wales Championships | NSW | 17 | 343 | 363 |
| 20/03/2005 | Wyong | NSW | 5 | 399 | 378 |
| 22/11/2009 | Central Coast Championships | NSW | 2 | 379 | 418 |
| 20/11/2011 | CENTRAL COAST Two Days | NSW | 3 | 319 | 326 |
| Head-to-head after 12 games | 3 | 9 | |||
| Average score | 339.67 | 391.75 | |||
| Spread | -625 | 625 | |||