| Tournament | Round | Janet Cotter | Elwyn Chalk |
| 19.09.1999 Spring Subiaco (WA) | 4 | 488 | 248 |
| 13.02.2000 Fremantle (WA) | 1 | 425 | 396 |
| 25.06.2000 Advanced Intermediate Recreation (WA) | 6 | 354 | 395 |
| 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 7 games | 4 | 3 | |
| Average score | 370.85 | 361.28 | |
| Spread: | 67 | -67 | |