| Tournament | Round | Betty Coleman | Trish Windhurst |
| 11.01.1998 Baulkham Hills (NSW) | 7 | 384 | 299 |
| 14.08.1999 Revesby (NSW) | 3 | 343 | 420 |
| 04.10.1999 New South Wales Championships (NSW) | 3 | 390 | 360 |
| 23.10.1999 Spring Marathon (NSW) | 12 | 283 | 366 |
| 22.07.2001 Winter Masters (NSW) | 13 | 382 | 338 |
| 01.10.2001 New South Wales Championships (NSW) | 3 | 341 | 319 |
| 06.07.2002 Chatswood (NSW) | 5 | 338 | 417 |
| 24.03.2003 Blue Mountains (NSW) | 5 | 425 | 288 |
| 07.12.2003 North Shore (NSW) | 6 | 383 | 361 |
| Head-to-head after 9 games | 6 | 3 | |
| Average score | 363.22 | 352 | |
| Spread: | 101 | -101 | |