| Tournament | Round | Betty Foreman | Marie Knight |
| 25.01.1998 City of Sydney International Masters (NSW) | 12 | 349 | 394 |
| 05.10.1998 New South Wales Championships (NSW) | 7 | 333 | 407 |
| 05.04.1999 Australian Championships (NSW) | 21 | 394 | 351 |
| 01.08.1999 Winter Masters (NSW) | 4 | 333 | 415 |
| 01.08.1999 Winter Masters (NSW) | 20 | 399 | 393 |
| 04.10.1999 New South Wales Championships (NSW) | 9 | 339 | 380 |
| 05.12.1999 ACT Christmas Capers (ACT) | 8 | 477 | 364 |
| 22.04.2000 Australian Championships (QLD) | 15 | 337 | 326 |
| Head-to-head after 8 games | 4 | 4 | |
| Average score | 370.12 | 378.75 | |
| Spread: | -69 | 69 | |