| Date | Tournament | State | Round | Ruby Kotwall | Derek McKenzie |
|---|---|---|---|---|---|
| 06/10/1997 | New South Wales Championships | NSW | 1 | 349 | 370 |
| 14/02/1998 | Wollongong WORDS Valentine | NSW | 4 | 419 | 360 |
| 04/10/1999 | New South Wales Championships | NSW | 2 | 406 | 320 |
| Head-to-head after 3 games | 2 | 1 | |||
| Average score | 391.33 | 350.00 | |||
| Spread | 124 | -124 | |||