| Tournament | Round | Jenny Coetzee | Janet Cotter |
| 20.09.1998 Advanced Intermediate Recreation (WA) | 2 | 431 | 372 |
| 13.02.2000 Fremantle (WA) | 2 | 400 | 312 |
| 08.10.2000 Rockingham (WA) | 4 | 323 | 443 |
| 21.10.2001 Rockingham (WA) | 4 | 364 | 382 |
| 14.07.2002 Bassendean (WA) | 3 | 401 | 397 |
| 08.09.2002 Yokine (WA) | 4 | 344 | 337 |
| 06.04.2003 Nedlands (WA) | 3 | 325 | 348 |
| 30.11.2003 Hamersley (WA) | 1 | 293 | 321 |
| 11.01.2004 January Maximin (WA) | 2 | 320 | 351 |
| 29.08.2004 Yokine (WA) | 6 | 480 | 293 |
| 10.04.2005 Nedlands (WA) | 6 | 413 | 281 |
| Head-to-head after 11 games | 6 | 5 | |
| Average score | 372.18 | 348.81 | |
| Spread: | 257 | -257 | |