| Tournament | Round | Janet Cotter | Maureen Gill |
| 31.05.1998 Melville (WA) | 2 | 359 | 328 |
| 26.05.2002 Melville (WA) | 2 | 434 | 281 |
| 11.01.2004 January Maximin (WA) | 4 | 312 | 394 |
| 08.02.2004 Fremantle (WA) | 4 | 347 | 349 |
| 11.09.2005 Spring Maximin (WA) | 4 | 344 | 351 |
| 09.07.2006 Bassendean (WA) | 4 | 334 | 407 |
| 10.09.2006 Spring Maximin (WA) | 4 | 470 | 257 |
| Head-to-head after 7 games | 3 | 4 | |
| Average score | 371.42 | 338.14 | |
| Spread: | 233 | -233 | |