| Date | Tournament | State | Round | Joan Rosenthal | Ruby Kotwall |
|---|---|---|---|---|---|
| 15/08/1998 | Revesby | NSW | 2 | 396 | 368 |
| 05/04/1999 | Australian Championships | NSW | 1 | 330 | 413 |
| 08/05/1999 | Hassall Grove | NSW | 1 | 452 | 390 |
| 04/10/1999 | New South Wales Championships | NSW | 10 | 364 | 291 |
| 23/10/1999 | Spring Marathon | NSW | 3 | 526 | 339 |
| Head-to-head after 5 games | 4 | 1 | |||
| Average score | 413.60 | 360.20 | |||
| Spread | 267 | -267 | |||