| Tournament | Round | Betty Foreman | Dianne Davis |
| 25.01.1998 City of Sydney International Masters (NSW) | 8 | 393 | 365 |
| 14.06.1999 Victorian Championships (VIC) | 6 | 355 | 374 |
| 30.01.2000 City of Sydney International Masters (NSW) | 6 | 305 | 363 |
| 16.04.2001 Australian Championships (VIC) | 20 | 432 | 335 |
| 27.01.2002 City of Sydney International Masters (NSW) | 4 | 378 | 385 |
| 06.04.2015 Australian Championship (VIC) | 5 | 365 | 383 |
| Head-to-head after 6 games | 2 | 4 | |
| Average score | 371.33 | 367.5 | |
| Spread: | 23 | -23 | |