| Tournament | Round | Janet Cotter | Ann Jones |
| 02.08.1998 Bassendean (WA) | 1 | 353 | 414 |
| 14.02.1999 Fremantle (WA) | 1 | 388 | 324 |
| 25.04.1999 Nedlands (WA) | 5 | 319 | 445 |
| 19.09.1999 Spring Subiaco (WA) | 1 | 315 | 366 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 343.75 | 387.25 | |
| Spread: | -174 | 174 | |