| Date | Tournament | State | Round | Janet Cotter | Jenny Coetzee |
|---|---|---|---|---|---|
| 20/09/1998 | Advanced Intermediate Recreation | WA | 2 | 372 | 431 |
| 13/02/2000 | Fremantle | WA | 2 | 312 | 400 |
| 08/10/2000 | Rockingham | WA | 4 | 443 | 323 |
| 21/10/2001 | Rockingham | WA | 4 | 382 | 364 |
| 14/07/2002 | Bassendean | WA | 3 | 397 | 401 |
| 08/09/2002 | Yokine | WA | 4 | 337 | 344 |
| 06/04/2003 | Nedlands | WA | 3 | 348 | 325 |
| 30/11/2003 | Hamersley | WA | 1 | 321 | 293 |
| 11/01/2004 | January Maximin | WA | 2 | 351 | 320 |
| 29/08/2004 | Yokine | WA | 6 | 293 | 480 |
| 10/04/2005 | Nedlands | WA | 6 | 281 | 413 |
| Head-to-head after 11 games | 5 | 6 | |||
| Average score | 348.82 | 372.18 | |||
| Spread | -257 | 257 | |||