| Tournament | Round | Janet Cotter | Sheila Antoniw |
| 02.08.1998 Bassendean (WA) | 2 | 369 | 396 |
| 20.09.1998 Advanced Intermediate Recreation (WA) | 5 | 370 | 395 |
| 27.05.2001 Melville (WA) | 5 | 405 | 387 |
| 10.02.2002 Fremantle (WA) | 6 | 407 | 363 |
| 25.05.2003 Melville (WA) | 6 | 334 | 387 |
| Head-to-head after 5 games | 2 | 3 | |
| Average score | 377 | 385.6 | |
| Spread: | -43 | 43 | |