| Tournament | Round | Anne Zion | Janet Cotter |
| 21.04.2002 Nedlands (WA) | 4 | 357 | 348 |
| 02.02.2003 Fremantle (WA) | 2 | 350 | 381 |
| 16.03.2003 Bunbury (WA) | 4 | 367 | 360 |
| 25.05.2003 Melville (WA) | 2 | 430 | 268 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 376 | 339.25 | |
| Spread: | 147 | -147 | |