| Tournament | Round | Kate Horan | Annette Nienaber |
| 26.04.1998 Nedlands (WA) | 6 | 411 | 394 |
| 30.08.1998 Yokine (WA) | 5 | 459 | 253 |
| 14.02.1999 Fremantle (WA) | 3 | 382 | 407 |
| 28.05.2000 Melville (WA) | 3 | 416 | 371 |
| 08.07.2000 Bassendean (WA) | 5 | 366 | 400 |
| 14.01.2001 WA Open (WA) | 5 | 336 | 405 |
| Head-to-head after 6 games | 3 | 3 | |
| Average score | 395 | 371.66 | |
| Spread: | 140 | -140 | |