| Tournament | Round | Janet Cotter | Gwen Kirkham |
| 14.03.1999 Bunbury (WA) | 6 | 359 | 316 |
| 08.07.2000 Bassendean (WA) | 5 | 371 | 274 |
| 27.05.2001 Melville (WA) | 6 | 260 | 363 |
| 10.02.2002 Fremantle (WA) | 2 | 393 | 292 |
| 10.03.2002 Bunbury (WA) | 4 | 318 | 311 |
| Head-to-head after 5 games | 4 | 1 | |
| Average score | 340.2 | 311.2 | |
| Spread: | 145 | -145 | |