| Tournament | Round | Janet Cotter | Peg Hearfield |
| 02.08.1998 Bassendean (WA) | 4 | 388 | 373 |
| 14.03.1999 Bunbury (WA) | 5 | 296 | 373 |
| 08.07.2000 Bassendean (WA) | 1 | 376 | 380 |
| 08.07.2001 Bassendean (WA) | 6 | 465 | 287 |
| 21.10.2001 Rockingham (WA) | 2 | 372 | 317 |
| 21.04.2002 Nedlands (WA) | 3 | 334 | 249 |
| Head-to-head after 6 games | 4 | 2 | |
| Average score | 371.83 | 329.83 | |
| Spread: | 252 | -252 | |