| Tournament | Round | Sybil Boyt | Betty Keese |
| 21.03.1998 February (SA) | 6 | 392 | 392 |
| 24.05.1998 South Australian Championships (SA) | 9 | 342 | 369 |
| 23.08.1998 August (SA) | 5 | 303 | 367 |
| 14.02.1999 South Australian Championships (SA) | 8 | 295 | 365 |
| 19.03.2000 March (SA) | 6 | 307 | 342 |
| Head-to-head after 5 games | 0.5 | 4.5 | |
| Average score | 327.8 | 367 | |