| Tournament | 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 | 341.5 | |
| Spread: | 451 | -451 | |