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