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