| Tournament | Round | Janet Cotter | Trudi Owens |
| 04.02.2001 Fremantle (WA) | 1 | 399 | 390 |
| 02.02.2003 Fremantle (WA) | 1 | 293 | 312 |
| 06.04.2003 Nedlands (WA) | 1 | 285 | 326 |
| 30.05.2004 Melville (WA) | 6 | 368 | 357 |
| 06.02.2005 Fremantle (WA) | 5 | 428 | 380 |
| 27.02.2005 Kwinana (WA) | 6 | 277 | 400 |
| Head-to-head after 6 games | 3 | 3 | |
| Average score | 341.66 | 360.83 | |
| Spread: | -115 | 115 | |