| Date | Tournament | State | Round | Betty Billing | Marlene Brown |
|---|---|---|---|---|---|
| 19/07/1998 | July | SA | 4 | 320 | 352 |
| 25/10/1998 | October | SA | 4 | 286 | 346 |
| 24/07/2000 | July | SA | 2 | 312 | 299 |
| 20/08/2000 | Unley | SA | 1 | 284 | 370 |
| Head-to-head after 4 games | 1 | 3 | |||
| Average score | 300.50 | 341.75 | |||
| Spread | -165 | 165 | |||