| Date | Tournament | State | Round | Robin Duncan | Ruby Kotwall |
|---|---|---|---|---|---|
| 20/06/1998 | Wollongong Marj Babb | NSW | 2 | 404 | 345 |
| 14/11/1998 | Sydney | NSW | 2 | 372 | 431 |
| 08/05/1999 | Hassall Grove | NSW | 9 | 360 | 349 |
| 05/06/1999 | Wollongong Marj Babb | NSW | 1 | 456 | 310 |
| 10/07/1999 | Chatswood | NSW | 2 | 413 | 318 |
| Head-to-head after 5 games | 4 | 1 | |||
| Average score | 401.00 | 350.60 | |||
| Spread | 252 | -252 | |||