| Date | Tournament | State | Round | Ruby Kotwall | John Barker |
|---|---|---|---|---|---|
| 12/07/1998 | Chatswood | NSW | 2 | 297 | 449 |
| 05/04/1999 | Australian Championships | NSW | 15 | 269 | 449 |
| 08/05/1999 | Hassall Grove | NSW | 5 | 373 | 324 |
| 10/07/1999 | Chatswood | NSW | 1 | 441 | 307 |
| 04/10/1999 | New South Wales Championships | NSW | 12 | 312 | 363 |
| 11/09/2000 | St George | NSW | 5 | 312 | 503 |
| Head-to-head after 6 games | 2 | 4 | |||
| Average score | 334.00 | 399.17 | |||
| Spread | -391 | 391 | |||