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