| Date | Tournament | State | Round | Ruby Kotwall | Jean McGiffen |
|---|---|---|---|---|---|
| 15/08/1998 | Revesby | NSW | 3 | 376 | 438 |
| 14/11/1998 | Sydney | NSW | 1 | 300 | 514 |
| 11/09/1999 | St George | NSW | 4 | 333 | 447 |
| 04/10/1999 | New South Wales Championships | NSW | 4 | 357 | 418 |
| Head-to-head after 4 games | 0 | 4 | |||
| Average score | 341.50 | 454.25 | |||
| Spread | -451 | 451 | |||