| Tournament | Round | Betty Coleman | Joan Buchanan |
| 11.01.1998 Baulkham Hills (NSW) | 1 | 386 | 333 |
| 01.03.1998 Balmain (NSW) | 6 | 395 | 317 |
| 17.05.1998 Ulladulla (NSW) | 5 | 347 | 353 |
| 05.10.1998 New South Wales Championships (NSW) | 8 | 454 | 333 |
| 14.11.1998 Sydney (NSW) | 7 | 373 | 381 |
| 04.10.1999 New South Wales Championships (NSW) | 15 | 345 | 354 |
| 07.07.2000 Chatswood (NSW) | 6 | 324 | 344 |
| 27.05.2001 Ulladulla (NSW) | 12 | 339 | 366 |
| Head-to-head after 8 games | 3 | 5 | |
| Average score | 370.37 | 347.62 | |
| Spread: | 182 | -182 | |