| Tournament | Round | Janet Cotter | Elwyn Chalk |
| 19.09.1999 Spring Subiaco (WA) | 4 | 488 | 248 |
| 22.06.2003 Manning (WA) | 1 | 400 | 386 |
| 30.11.2003 Hamersley (WA) | 2 | 254 | 388 |
| 28.03.2004 Nedlands (WA) | 1 | 330 | 320 |
| 30.05.2004 Melville (WA) | 2 | 345 | 396 |
| Head-to-head after 5 games | 3 | 2 | |
| Average score | 363.4 | 347.6 | |
| Spread: | 79 | -79 | |